the Mississippians were the group that first constructed the first cities in North America!
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The correct answer is:
A response to A Call for Unity, the statement by eight white Alabama clergymen against King and his nonviolent methods.
From the Birmingham jail, where he was imprisoned as a participant in nonviolent demonstrations against segregation, Dr. Martin Luther King, Jr., wrote the "Letter from Birmingham Jail".
It was his response to a public statement of concern and caution issued by eight white religious leaders of the South who accused King of agitating local residents and not giving the incoming mayor a chance to make any changes.
I think Alexander the Great should be known as so for many reasons. One reason being that he served as king of Macedonia from 336 to 323 B.C. During his time of leadership, he united Greece, reestablished the Corinthian League and conquered the Persian Empire.
It left the entire west in ruins, basically the reason for feudalism and the Dark Age