Answer:
their communities are so compact that diseases spread faster than you'd expect. plus the fact that their water they drink isn't very clean.
Explanation:
Phillip Randolf believed that situation was unfair because African American did not receive the rights they deserved in their own country.
Asa Philip Randolph was a leader in the Civil Rights Movement, the American labor movement, as well as socialist political parties.
In 1925, he organized and led the first predominantly African-American labor union known as the Brotherhood of Sleeping Car Porters
The answer you are looking for is
Democratic Republic of Congo: which gained its independence in 1960
Ghana: which gained its independence 1957
Nigeria: which gained its independence 1960
Hope this helped :D