The great rift valley was a remarkable evolution for apes.This was the place where human evolution started. In the rift valley, the apes adapted to diverse environments which had a major impact in the evolution of the humankind.There are various fossils that have been collected stating the sedimentation of the rivers in the Eastern Africa.
The exact answer you are looking for is:
B. Romance languages are used primarily in Europe and Latin America.
I don't know for sure but probably Moscow, or St. Petersburg
After the end of World War II, Soviet forces occupied the country, seeking dominance of their Socialist Ideology, and there they stayed throughout the Cold War.
Occupying it was how they managed to take control of this portion of the country. Their ideological war against the United States' Capitalism was how they managed to maintain control of the area.
During this period the Berlin Wall was built, and it marked the division between Western and Eastern Germany.