Why did people died during ww2

What is the connection among sectionalism,slavery,and states’right as causes of the civil war? how did the southern response to the 1860 election results demonstrate this connection

The roosevelt corollary, issued in 1904, was a revision to what earlier statement of u.s. foreign policy?

Whose writings were the source of the idea that people have a right to abolish and replace a government that violates their natural rights?