James K. Polk was the 11th president of the United States Of America he was a chef lieutenant and served in the Bank war and was even a speaker at some point then was nominated for vice president.
Answer:D
Explanation: A&C are important but not as important as making all city’s governments better
Delivering mail. Would be answer B
The major problem was the division. For examplo: the Cordoba caliphate <span>disintegrated into 28 taifas.
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Letter b) <span> It fell because the divisions within the empire made it vulnerable to attack.</span>