The answer to that would be a
Africans were forced to work under terrible conditions on plantations, railways, and logging. In order to gain power, Europeans encouraged Africans to fight against each other…
Answer:
I, II, and IV
Explanation:
"Race" is not an answer as it means "Ethnicity".
Ethnicity can be simply described as a person's identification in related to a certain group of peoples with a certain value system, culture and language.
In this case, all, the speaking language, cultural traditions and the shared common history identifies one group of people from another.