Could be bought and sold
Hope this helps
The transcontinental railroad let the settlers go to the western side of America. With that they needed more farms for food and resources to provide a profit. The settlers did not want to do the work to they forced slaves to work for them. The settlers in the west made slavery increase due to the wanted of profit and the needing to survive.
Byzantine art and architecture was influenced by Roman art and architecture blended with elements of Eastern styles in Byzantine art and architecture.
Oklahoma is a state that touches the northern border of Texas.