Answer:
No, American settlers did not adhere to the Northwest Ordinance of 1787. The Northwest Ordinance guaranteed tribal land rights, but settlers would kick American Indians off of the land they planned to settle.
Answer:
Build a powerful militiary in Europe
1. Pearl Harbor was attacked on December 7, 1941.2. President Roosevelt signed the executive order 9066 on February 19, 1942.3. On May 13, 1942, Hirabayashi issues a statement refusing the order of evacuation.4. Hirabayashi case reached the Supreme court in 1943.
There were of course several people who held this view, but perhaps the most prominent was Woodrow Wilson, the President of the United States, who pushed for a much more secure Europe after WWI to prevent such things from happening again.