Question

Why did the United States move 50,000 soldiers to the Rio Grande in 1866?
A) The Johnson administration was worried that Mexican Revolution might spill over to the United States.
B) Confederate rebels had unleashed a torrent of violence on freedmen in the region, and the Union Army was supposed to quell this uprising.
C) The United States was pressuring France to withdraw from Mexico.
D) The Union Army was trying to block former Confederates from fleeing across the Mexican border.

Answer

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