Africans do for fun pretty much what other people do for fun. Watch TV, movies, documentaries, use the Internet, visit malls, cinemas, theme parks, beaches, spas.
Do you mean slaves or African people now... During their limited leisure hours, particularly on Sundays and holidays, slaves engaged in singing and dancing. Though slaves used a variety of musical instruments, they also engaged in the practice of "patting juba" or the clapping of hands in a highly complex and rhythmic fashion.
Most were located in the Northeast because merchants there had money to invest in new mills. Also, this region had many rivers that provided a reliable supply of power. In the South, investors concentrated on expanding agriculture.
He wanted to make sure that everyone knew about this and no one would forget. The concentration camps were horrible and Eisenhower wanted to make sure that no one could deny the holocaust ever happened. He wanted the world to know what happened.