A. Unrestricted Submarine Warfare.
This caused Germans to attack vessels that carried US citizens, bringing the US into the war.
The act that gave freedmen the same rights as other American citizens with the exceptions of the right to vote is :
Civil rights act of 1866
Hope this helps
Interstate Commerce Commission
C. they were worried that the new states could be pressured to allow slavery
The answer is B. Rice because of their clay like soil. :)
