They feared that white audiences would not pay to watch African American players.
Couldn’t find a direct answer, but D seems the most logical to me.
Hope this helps.
Answer:
a. internal conflict among native African groups was intensified.
Explanation:
European expansion into Africa, from the activities of the explorers, through the era of slave trade until the period of colonial occupation intensified conflict among native Africans.
This internal conflict was more pronounced during the slave trade when African rulers will need to war against neighbouring villages in order to capture them as slaves to be sold to the European traders in exchange for foreign commodities.
The Civil Rights Act of 1964, which ended segregation in public places and banned employment discrimination on the basis of race, color, religion, sex or national origin, is considered one of the crowning legislative achievements of the civil rights movement.