The question is purely theoretical as I'm not aware of a solution to do this, but I have been thinking about what really need to be at a societal/cognitive level to tackle humanity issues such as conflicts/war.
I reckon many problems rise for the lack of tolerance due to a lack unerstanding of each other experiences and thinking (somewhat related to the Theory of mind and Mirror neuron).
Question
What will be the result of:
- Increasing people's empathy?
- bonus: Decreasing said empathy?
Backing your answer with sources and articles is a plus.