O'Sullivan argued that American expansion and imperialism was justified because <span>A) gaining new territory would allow democracy to spread throughout the continent.
He says in the quote that "</span><span>Providence has given us for the development of the great experiment of liberty and federated self-government entrusted to us," so you can see they wanted to spread their ideologies throughout the country. </span>
Ulysses S. Grant was the military leader of the Union that ended the war and made Robert E. Lee surrender at Appomattox Court House.
William T. Sherman used total war in Georgia destroying everything beneficial to the Confederates from Atlanta to the sea, this was called "March to the Sea" he was a Union General.
Robert E. Lee was the commander of the Confederate army.
Stonewall Jackson was a skilled military general of the Confederates who was killed in The Battle of Chancellorsville.
Answer:
It helped make clothes, farmers grew cotton like it was a crop and had the slaves picking it. They earned money for it.
It would be "Lake Victoria" that is the source of the White Nile River, although it should be noted that the exact point at which the two water sources converge is slightly disputed.
The Appilachian mountains was the greatest barrier, because it was crawling with Indian's that may have made them turn back.