<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>
Answer:
Patent
Explanation:
Patent No. 6469 for a device to lift boats over shoals, an invention which was never manufactured
The answer is
B. Spain and the U.S. signed the Adams-Onis Treaty
Hope I helped!
The answer is B Jim crow laws