After which cold war event did the united states and the soviet union enter a nuclear arms race

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?

The book by john kenneth galbraith discussed the growing gap between the increasing private wealth in the u.s. and the stagnant condition of resources allocated to the public sector.

What clause of the treaty of versailles in particular left the germans feeling like they were “stabbed in the back? ” by the victors?