The answer is B, a state can make laws that regulate commerce in neighboring states.
World War 1.
Many blacks left southern states during WW1 and moved to big northern cities to work in war industries.
More went to New York city than to any other,and after the war there a lot of blacks living in Harlem who were literate and artistic.
Answer: Wealthy civilizations conquered neighboring areas.
Explanation:
Land has always been a valuable resource and in the ancient world was a sign of how much power a nation possessed.
With the wealth accumulated by the wealthier civilizations, they were better able to not only raise armies but to equip them as well.
They would then use these armies to conquer neighbouring areas to increase their influence and area of control and to show how powerful they were.
