The U.S. sided with democratically based governments, especially after Nazi Germany attacked France and Britain. Pearl Harbor was an attack on the U.S.
Southern governments passed Jim Crow laws
If the border with Laos had been closed and North Vietnam had not been able to operate in the country, the communist side would not have been able to stock up on resources, men, ammunition, weapons, food and medicine through the HoChi Minh Trail.
Therefore, the forces of the North that were fighting in South Vietnam would have been out of supply, and their defeat would have been imminent.
King Henry VIII had Thomas More beheaded because Thomas More had refused to recognize the king as the head of the Church of England. Beheading was a common form of execution in those days. The correct answer is D.
