Which of these statements is true regarding black soldiers in the Union army? A. They were not allowed to be in the army.

B. They were paid less than white soldiers.

C. They could serve as cooks.

D. They made up about 30% of the army,

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the answer is selfishly. hope this !

the answer is a. the harappan civilisation is also called the indus valley civilisation, this is because they built their cities along the indus river. the reason behind this location can be found in the rest of the "old world" civilisations like mesopotamia or egypt, the first built their cities along the rivers tigris and euphrates, the second along the nil; : their respective civilisations thrived because the overflowing of their respective rivers produced favorable conditions for agriculture, their main support.