What challenges did this group have to face/ overcome to maintain power?
Wahili empire

d) all choices are correct

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.