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210

Not really. Traditionally when an army ran low on supplies, the men would start eating the mounts. When an army with bears starts to run low on supplies, the mounts would start eating the men. This could be really bad for morale. Conventional domesticated herd/pack animals tend to remain passive when hungry, bears not so much.


188

Human engineering can, 100%, keep out a horde of zombies. In The Walking Dead things fail because if they didn't the show would be boring. In real life, there exist castle gates hundreds of years old which would hold, no questions asked. First and foremost, realize that thousands of zombies will never be pushing on the gate all at the same time. They will ...


177

The question shows a misunderstanding of why the Middle Ages were medieval. It's not that the people who lived in those times did not know any better. They did. In particular, they had good Roman books about military strategy, tactics and logistics; for example, they had and they actually read Vegetius's De re militari; the book was copied over and over, and ...


173

No Ten (or more) knights would grab him by the arms and legs, bind him in iron chains, and then chuck him in a dungeon. No matter what kind of armor or melee weapon you have, you are still limited to the strength of one human; you will be overpowered almost instantly by a group of people.


167

There are numerous problems. Diamonds are brittle Hard, but relatively easy to crush, if you happen to hit just right. Armor would be crushed before your hero knows what happened. See Why does diamond have lower tensile strength than Iron? on Physics Stack Exchange. Diamonds are flammable Sure, it takes about 900 degrees Celsius to start diamond fire, but ...


133

FTL (faster-than-light) travel lane chokepoint The space battle(s) aren't actually fought about that planet, they're fought because this star system represents a strategically valuable chokepoint in the network of starlanes (or however you want to call them^^). Starlanes are connections between stars where FTL travel is exceptionally fuel-efficient due to ...


131

A declaration of war allows the recipient to surrender before interrupting both economies to form armies for invasion and defense. A declaration of war establishes basis for closing borders, ceasing trade with the recipient, and expelling opposing citizens. It provides legal penalties for those who continue such trade or harbor such citizens. (I.e., the ...


125

The only thing worse than a zombie chasing you... is a FLAMING zombie chasing you! Your zombies don't immediately die once set ablaze. Sure, EVENTUALLY enough of their flesh has burned off to render them immobile, but until then they spread the fire to houses, forests, and humans nearby. The danger from raging wild- and city fires is too big to justify for ...


124

Yes, but you have to flesh out your fictional world around it. Lets assume your world has bear cavalry. That is a - fictional - fact (sic). Lets also assume that this has been so for some centuries. There is a tradition of bear cavalry, and the kinks have already been solved. Your bears are not only domesticated, but also selective bred from wild bear ...


122

Not sure quite what definition you want to give of "being a mercenary", but I spent a few years as a contractor in Africa, Asia and the Middle East after leaving the Army, so I can tell you why I spent a bit of time wandering around the smellier parts of the world between contracts. Connections You get hired and find contracts by making sure people know ...


121

I practice early medieval (Viking) style semi-contact as a hobby. With blunt steel weapons not with some LARP toys. I can tell you how we deal with an enemy with a shield and then some historical methods I know. Now our fights are not entirely realistic, they do not devolve into fierce unarmed struggles, at the end, where we attempt to scratch out eyes and ...


120

Focus on imprisoning If you are naked in a cage, you can be immortal as much as you want, you won't be able harm me (in most situations, anyway).


110

We humans are pretty good at building gates to keep people out. We've been doing it for a long time for military purposes and to stop thieves. Why Do We Have Gates? Because there has to be some way for friendlies to get through the defenses while keeping the bad guys out. From a military perspective, a gate isn't there to stop people from getting in. They'...


107

Robot War The opposing factions are in fact the robotic fleets of two different civilisations that once occupied the planet, they populate much of the rest of the star system and have functionally infinite resources. They are continuing their last directive. Claim the homeworld at all costs. They will never ever stop fighting and their interminable ...


105

I think the herbivores would argue that the carnivorous are highly specialised, and tend not to be very social. On a battlefield, charging Rhinos, Bisons, Buffalos, Bulls, etc. could break any line of carnivorous animals. You need to defend a position? Who are you calling? a Hyena or an elephant? Same story in the sea, larger whales are not carnivorous. ...


104

The story can be summed up as follows. Von Braun is captured by the Soviets, not the Americans. Failure to beat the Soviets to the Moon extends the Space Race. An extended Space Race means space colonies are feasible in the 80s. Nuclear war happens, the Earth is rendered uninhabitable. The remnants of humanity launch colony ships into space. But really it ...


102

The reason no space-faring nation would invest in large, expensive ground forces is the fact that they have no defense against your kilometer-long dreadnoughts. However, a small special forces team could still be used because their defense is the risk of collateral damage. Got a 100,000-strong soldier-and-mech army on your planet? The fleet clears that ...


100

Space battles, at least realistic ones will be done with computer targeting systems. Humans will not have a big task on the spaceship. I imagine repair and ensuring the AI/computer won't go rogue will be the main task of these crew members. Beyond that will be troop and logistical transport. Realistic spacebattles can easily be incredibly intense. Crew ...


98

Can the human race survive? No. We're too dependent on them for our survival. An open attack would hurt them - we'd just insecticide them. That's not a good strategic move by the bugs. Not a good strategic move by us either, but the choice is stand idly by and get suffocated by a million crawly feet, or destroy the ecology and possibly survive. The ...


98

Others have asked and answered these questions more than 2000 years ago. Just read literature about any pantheon of gods and you'll find a lot of great patterns. Gods can be banished (from places or social gatherings, not from a plane of existence) Gods can be imprisoned Gods can be tortured (chain them to a rock and send a bird every so often to eat some ...


96

Honestly, the best use of this would be to turn corpses (their and yours), waste, and the like into nice safe gold. Campaigning armies in medieval times suffered greatly from disease, and poor hygiene was a major part of that. The fewer dead bodies and other disease-spreading elements you have about, the better off you'll be.


96

Honestly the 'modern' military theory that would give Lord Gary the biggest advantage would be modern attitudes towards hygiene. It was extremely common in the time period you're talking about for a force to lose more troops to dysentery and other diseases than they lost in actual combat. By taking a very firm attitude towards latrine maintenance and ...


92

I can imagine battlefield logistics would be much easier. One of the most dangerous and common tasks for infantry is shuttling supplies back and forth between the front lines and the forward camp. If you could load up a huge pack with crates of ammunition or even vehicles, the "runner" could transform into a T-Rex, run the munitions up to the front, and ...


91

Bob could end the war. Keep in mind that ending the war is different from winning the war. Also remember that the enemy of my enemy is my friend. All he has to do is fly into the middle of a space battle and let fighters from each side blast away at his ship for a while. As their most powerful weapons don't even damage his ship's paint job, he can ...


89

A declaration of war would be needed to raise troops. Before the modern era, there weren't standing armies in most countries. You had to pull labor off of crops/cattle and make them an army specifically for a war. And if a king didn't have his own resources directly, he'd have to levy troops from vassals. All that takes time, and you need your allies to know ...


89

The French listen to Belgian intelligence. The Belgians had surprisingly good intelligence about what the Germans were planning. They'd identified the German military buildup, and considered an invasion through the Ardennes to be the most likely course of action. The French command didn't react to these warnings, since they still suspected that an invasion ...


89

If you have orbital superiority, small teams are the only ground forces worth deploying. You can drop a nuke from orbit and incinerate a city. You can drop 'rods from God' to precisely annihilate bunkers with the raw power of kinetic energy. You can drop precision-guided munitions, turn sands to glass with lasers, or wipe out an army with a railgun shell. ...


88

They're immortals, they've had thousands of years to hone their skills. They don't die easily. They're all veterans of countless battles and know when to retreat. For humans losing mere dozens out of thousands in a pitched battle is a fantastic success. For them even one or two losses is a rare and sad event. Any normal attrition rate would leave their ...


87

We can examine what a full K-type "difference" looks like in the current context. While we cannot look up yet (there are no K-type 1.7+ civilizations as far as we can see), but we can look down. Humanity is K-type 0.7 as of 1973, and since then has added rounding error. So we are talking about what a modern industrial war looks like to a K-type -0.3 ...


86

Laying aside the 112,000 man army (which is monstrous), I'll address Rome and the wall. Rome was entirely capable of working through almost any typical engineering problem involving such a wall. The thing about the Romans was that they were very patient. They would build a "camp" that might remain in place, working toward an objective for 20 or 30 years if ...


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