Answer: A
Explanation:
collcas were storage buildings found along roads & near cities and political centers of the Inc Empire. Collcas was built into the side of hills 2 take advantage of the cold temperatures and airflow. They were equipped with drainage channels to divert moisture & prevent food 4rm rotting
Answer:
cotton gin helped improve the crop production
He actually built the wall on the wrong side
They trade so muh stuff and end up with nothing to profit from