Answer:
Well basically european countries took people from africa and brought them to their own countries and the americas, so that was the root of it. And that may have sparked racism, where whites thought they were better than people with darker skin.
I believe B. It describes characteristics of a person who is self-sufficient and also applies to free competition in economics is the correct answer.
Answer:
It is absolutely vital for historians to understand the cause and effect relationship between events in history because this helps to explain why the events happened in the first place