Answer:
D. Apartments became crowded
Explanation: :)
It is D, they are nominated by the president
The immediate cause was because President Carter decided to allow Iran's desposed Shah into America so he could receive cancer treatment.
While other primates (such as baboons and red colobus, red tail, and blue monkeys) have managed to thrive in Gombe, chimpanzees have not. Their larger body size puts them at a disadvantage in a restricted habitat, because they must consume more calories (and thus more food) to grow and maintain their weight.