Swahili people populated much of the coast of East Africa, from Kenya to Mozambique. What does this indicate about the role Swahili people played in this part of Africa?

The Swahili people brought Islam to the region.
The Swahili people were primarily pastoralists.
The Swahili people traded up and down the coast.
The Swahili people were primarily agricultural.

Question

Swahili people populated much of the coast of East Africa, from Kenya to Mozambique. What does this indicate about the role Swahili people played in this part of Africa? 
 		
		The Swahili people brought Islam to the region.
		The Swahili people were primarily pastoralists.
		The Swahili people traded up and down the coast.
		The Swahili people were primarily agricultural.

anonymous · Answer

The Swahili people traded up and down the coast.