What date was the panama canal built, who had built the panama canal (or gave the orders to build the panama canal), and why was the panama canal built?

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 would the war powers act have impacted president truman’s initial ability to deploy us soldiers into the korean war?

How did people in the 14th century understand black death