Answer:
D. Better weapons and technology .
Explanation:
The American Army always enjoyed technological superiority and superior fire power over the communist forces. The US had air and naval superiority, and also in conventional power.
But the North Vietnamese had great manpower reserves and an iron determination to fight what they saw as a foreign occupier as long as it was necessary with persistent and intrepid guerrilla tactics, an asymmetric response to a stronger adversary. History provides many examples of the Vietnamese people´s fight against outside intruders in protracted guerrilla wars until the enemy wears down: the Chinese, the Mongols, the French and the Americans.
Republican Party<span> The outrage over the decision strengthened the anti-slavery movement, which united under the burgeoning Republican Party.</span>
He was recalled to active duty as commander of the U.S. army forces in the far east. A series of disasters followed, beginning with the destruction of his air forces on December 8. 1941, and the invasion of the Philippines by the Japanese. His forces had to withdraw from Bataan.
He requested a wagon or chariot (I believe).
Some countries did not like the countries we were with an alliance with, so they would attack them and we would attack the country who did it, and so on.