Which were the two political factions that developed in the Chickasaw and Choctaw Nations during their elections after the Civil War? A. Unions and Confederates B. American Indians and Freedmen C. Presbyterians and Baptists D. Nationals and Progressives

D.  Nationals and Progressives

Explanation:

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Abraham Lincoln

Explanation:

During the American Civil war which occurred between 1861 to 1865, the President of the Union was Abraham Lincoln.

Though he was later assassinated in April 1865 following few weeks into his second term as the President of the United States.

He was elected in 1860.

Hence, in this case, the correct answer is Abraham Lincoln