In Africa? A. There are vast areas of no rainfall
B. There are areas of rainforest with 80 inches of rain per year
C. There is snow and ice
D. All of the above

answer; (c) slaves brought to the americans from africa;

europeans carried a hidden enemy to the indians: new diseases. native peoples of america had no immunity to the diseases that european explorers and colonists brought with them. diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to american indians

i think the answer is c