Answer:
Improved commercial practices led to an increased volume of trade and expanded the geographical range of existing trade routes—including the Silk Roads, trans-Saharan trade network, and Indian Ocean—promoting the growth of powerful new trading cities
Explanation:
Pennsylvania, Delaware, New York and New jersey
The answer is B each state has its own powers that other states cannot violate
Floods are beneficial to agriculture because it carries deposits
that makes soil fertile, It can also rid of any
contaminates on the land
