Answer:
A and D are both the answer of your question but I prefer A
The Feudal system that had previously dominated Europe begins to collapse.
Considered divine punishment, the Black Death (bubonic plague) was one of the largest epidemics that plagued mankind.
In early 1330 the first outbreak of the bubonic plague happened in China. Plague mainly affects rodents, but their fleas can transmit the disease to people. Once infected, the infection to other people occurs extremely quickly. The plague causes fever and a painful swelling of the lymphatic glands called bulbs, hence its name. The disease can also cause blemishes on the skin that first have a reddish color and then turn black.
Roosevelt supported the rebels because Columbia threatened to attack US workers if began on a canal.This attack created a sour relationship between Columbia's reigning government and the united states government. Because of this, Roosevelt provide the rebels with monetary funds and weapons in order to help them to override and restructure current government.