A. New England because they were the first to officially use slaves in order to maintain populations of the Native Americans
<span>The U.S. avoided involvement in WWII before December 1941 because the Congress and the President wanted to believe that the war did not affect the U.S. This was called "isolationism" the idea that a country could isolate itself from others. </span>
The last one and I'm pretty sure the second one
