What was the basis of adolf hitters ideas

He seventeenth amendment to the us constitution calls for the direct election of all us senators. this means that the people of each state get to vote to decide who will be their two us senators. before this, the legislatures of each state chose the two us senators from that state with no direct involvement of the average voter. why would this amendment be considered a reform? how would it benefit the people? even today some people claim that the seventeenth amendment was a bad idea. what arguments could be made for reverting selection of us senators back to the state legislatures?

How did regional differences in italy initially prevent unity in the new nation?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?