Answer:The Constitutional Convention of 1787 was called to revise the ailing Articles of Confederation. ... Nine states had to approve the Constitution before it could go into effect. After a long and often bitter debate, eleven states ratified the Constitution, which instituted a new form of government for the United States.
Explanation:
I believe the answer is ‘TEN MILLION’.
I believe it was because both blacks and whites were moving west to the cities to find jobs.
hope i helped :)
Mountains, highlands and rivers.
