What happened in the Democratic Republic of Congo shortly after the Belgian Congo received independence from European rule?

A.
The country formed an alliance with neighboring Zaire.
B.
The government was overthrown by Defense Minister Joseph Mobutu.
C.
The government established a tax system to finance schools and hospitals.
D.
Southern tribes revolted, started a civil war, and took over the government.

Please select the best answer from the choices provided.

B. The government was overthrown by Defense Minister Joseph Mobutu.