Indirect democracy is is best over democracy because Indirect democracy does not need to tell their followers or leaders(ig) everything they will do. Therefore Indirect democracy is Better.
Locke believed that it was necessary for the people to dissolve their government whenever it became tyrannical; for instance if a small group of elite people were making decisions without the consent of the electorate. This was highly influential to Jefferson and the Founders prior to the American Revolution.
B:
Agriculture, water projects, shipyards all offered steady work to people driven out of the plains states.
The four Causes of the Civil Wars Slavery, One Union vs state's rights, The growing differences between the North and the South and The election of President Lincoln.
I would say Communism played a big role in it too.
hope this helps and have a great day!