Well it's in your question it was the North of America, the people who didn't like slaves and thought the south was wrong. Everything term you used is considered for the North of America during the American Civil War.
During Hoover's administration, the stock market collapsed. This was such a huge deal because people were borrowing money from the banks and putting in stock market. When the collapse occurred people were unable to repay the banks the money they took out, the banks failed.
In February 1915, Germany announced unrestricted warfare against all ships, neutral or otherwise, that entered the war zone around Britain. One month later, Germany announced that a German cruiser had sunk the William P. Frye, a private American vessel that was transporting grain to England when it disappeared.
The end of the armed resistance by the Sioux Native Americans
