Who was the first african american elected to a full term in the senate?

Hiram Rhodes Revels

During Reconstruction, only the state legislature of Mississippi elected any black senators. On February 25, 1870, Hiram Rhodes Revels was seated as the first black member of the Senate, while Blanche Bruce, also of Mississippi, seated in 1875, was the second. Revels was the first black member of the Congress overall

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.

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