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Which of the following is a contribution made by units of the US Colored t
O Helped to create new rules for soldier conduct
Proved that they served best in integrated units
Served only in roles requiring manual labor
Proved their worth on the battlefield many times and earned the respe
white Union soldiers

The answer is D. Proved their worth on the battlefield many times and earned the respect of the white Union soldiers, If you need anymore help, feel free to contact me.

Explanation:

If you want proof, here is my answer and score.

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.