It is D, they are nominated by the president
I would go with answer
B: They both relied on each other for goods and services.
Answer:
It increased national unity by reducing sectional differences. It boosted the speed of cross-country mail delivery.
Explanation:
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<u>The Jews were one of the most important cultures that began in Mesopotamia. They came from one of the Sumerian cultures and branched off to form their own Jewish culture around 2000 BC.</u>