The answer is trade or something
Answer:
the us tried to stop the spread of communism in Vietnam, it went badly because the Vietnam knew more area of land than the us did, resulting in unexpected attacks from the Vietnam. after quick attacks the Vietnam would retreat to the forest, where they had multiple bunkers that connected to one another so they could appear in multiple places in in a short amount of time.
I don't know exactly what your looking for but, it could do with religion or different ideas of the country.
For example: Let's say that America goes to war with Russia and the Americans didn't want to go to war. The people have a differed idea from the government, meaning that the military does not have the peoples support.
Hope it helps!
Answer:
because humans are inherently greedy and and self-centered.
they saw that many people became prosperous while they did not. they saw communism/socialism as a way to equalize everybody.
Explanation:
