What is a weakness of a oligarchy leader?

What was an impact of the great depression on germany?       a.  people were more willing to turn to radical forms of government.      b.  people came to have more trust in democracy.      c.  germany was one of the few nations to grow its economy.      d.  germany collapsed and broke into three different countries.

Difference between president and vice president

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?