Which historical event most caused the US urban population to climb from 6 million to 44 million between 1860 and 1910?

Which of the following allowed the government to stop a foreigner from becoming a citizen, presidential power to throw anyone he wanted out of the u.s. and that it was a crime to criticize the government? the alien and sedition act the xyz affair the 12th amendment marbury v madison

In the latter stages of the civil war who was given the responsibility of winning the war for the north

In a few sentences, explain how the medici family contributed to the renaissance.