The economies of the New England and Mid-Atlantic colonies were more diversified than the Southern colonies.
I would go with Brown v Board of Education. It gave more rights to African Americans and made them one step closer into beating segregation. Through the court case, segregation in schools was deemed unconstitutional, and so was segregation in other public places.
Answer:
no the U.S. should not have colonies as it can shatter unity all the colonies will do their own thing and can lead to bad thing.
wars will take place more often between the colonies for particular things like a mines.
this could create mass wars and death.
if they had to fight a war they would all be defeated easily and each colonies will do what they feel is right.
if colonies are made in the U.S. it can lead to mostly bad thing. Thus U.S. should not have even a single colony