No, I believe it became communist then.
Hernan cortes was aided by Spain to get gold and silver from the Aztecs or just to explore then he found the Aztec empire. He wasn't aided very well in troops, so sense they carried small pox the Aztecs got infected which killed a big majority of them while the conquistadors also attacked. <span />
Carnegie's early job with the railroads helped him predict that the demand for steel to build railroad tracks and bridges would grow.
Answer:
Rail road companies facilitated settlement of the Great Plains because it provided a means of transportation for settlers to get to the location. The government had also provided land to these companies which they sold at an affordable cost to the new settlers. The area was a large expanse of flat land making it easy for newcomers to establish agriculture.
Slavery for sure. I believe the second one is economic differences between the North and the South.
