Answer is 10%.
About 270 million acres of public land was given away for free to Homesteaders, people seeking to settle out west under the Homestead Act. This constituted about 10% of the US. The first of the acts was passed in 1862, and the second in 1866.
Answer:
He believed the destruction of the Southern home front would discourage Native American allies from coming to the South's aid.
He believed the destruction of the Southern home front would discourage Native American allies from coming to the South's aid