The contributions of African Americans for the Union war effort in the Civil War pushed the federal government, controlled largely by the republican party, to exchange the course of action and affected the consequences which included but were not limited to the amendment of the constitution to give certain rights to african americans.
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D. 1800s because that's when Cuba, Puerto Rico and Mexico gained independence
The best and most correct answer among the choices provided by your question is the second choice or letter B.
The statement "<span>Civil rights guarantee equal treatment under the law for all citizens." is the most accurate about civil rights and liberties.</span>
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The main reason why some Americans were unhappy with Jay's Treaty is because brought the United States "closer" to Great Britain in terms of economic ties, which many feared would weaken the republican nature of the state.