Answer:
"which became popular in the 1960s"
Explanation:
"which became popular in the 1960s" is the answer because is starts with 'which'
Middle I believe it the correct choice
The did enter Africa for their own personal gain yes i dont not believe that powerful countries should be allowed to enter weaker countries because they can take what little they do have and steal it to make them more powerful.An example would have been the British because they went and tried to take over other countries.
