He is referencing the issue of slavery and the threat of it being outlawed in the United States. This fear was very real for southerners after President Abraham Lincoln was elected president in the election of 1860. Southerners feared that he would outlaw slavery across the United States.
This issue greatly affected the southern states, causing several of them to secede (leave) the US in order to form their own country. This would be called the Confederate State of America and this faction helps spark the Civil War.
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its "protect our soldiers" i just took it..
Grant led the Union Armies to victory over the Confederacy in the American Civil War. As an American hero, Grant was later elected the 18th President of the United States (1869–1877), working to implement Congressional Reconstruction and to remove the vestiges of slavery.
The Indians were removed from their land because of to them (Andrew Jackson and his supporters) American Indians seemed to be an unfamiliar, alien people who occupied land that white settlers wanted (and believed they deserved that land). They were removed by the Indian Removal Act and the result was the trail of tears in where many of them died since they were forced to move.