Timeline for Could a Megacity be a Penal Colony?
Current License: CC BY-SA 3.0
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| when toggle format | what | by | license | comment | |
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| Apr 2, 2018 at 19:54 | comment | added | RonJohn | Manhattan is "An island city, isolated, no resources, import all goods, but still an economic powerhouse. Why? Because it is an ideal trade" point from Europe to North America... | |
| Apr 2, 2018 at 18:42 | history | answered | flox | CC BY-SA 3.0 |