Why did men volunteer to fight in the civil war

Union soldiers fought to preserve the Union; the common Confederate fought to defend his home. ... Confederate soldiers sometimes fought because they feared Union victory would result in a society where black people were placed on an even footing with whites.

Explanation:

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.