Answer:
East African trade had many effects on different cultural groups. East African trade created an entire new language when the Bantu-speaking people and the Arabs started interacting with one another. East African trade also introduced Islam to the east coast of Africa.
1 is F, 2 is A, 3 is A, 4 is F
What are the possible answers to fill the blank?
Actually, the civil war make their relationship became much worse.
Because of the civil war, the ally has to lose a lot of resources for war supplies and equipment. This led to a situation where the allies no longer able to pay the treaties that they promisd to pay to the Sioux, which eventually ended up in conflict between the two group.