The US gave support in the push on communism
When: sep 5 1774. why:<span> there was fighting a Native-American uprising and was dependent on the British for military supplies</span>
B, D, E are all applicable answers. Moctezuma's kidnapping forced Aztecs to beg and pay for years. Spanish disease diminished the Aztec population tremendously, since they have never encountered it and they do not know the medicine for treating it. Trade is the most one of the most important factors in determining a nation/empire's power. If trade was difficult, than of course its economical power would not be high, therefore the decline of the Aztec empire would commence.
The USA was scared that if another country were to fall to communisim that soon many other countries would fall as well.