Bactria moved to modern-day India sometime after 2000BCE from areas of Central Asia.
As cotton became the backbone of the Southern economy, slavery drove impressive profits. The benefits of cotton produced by enslaved workers extended to industries beyond the South. In the North and Great Britain, cotton mills hummed, while the financial and shipping industries also saw gains.
It was the idea of "Manifest Destiny" that was the belief that it was God’s plan for the United States to own most or all of North America, since people thought the US was "destined" to occupy all the territory from the Atlantic to the Pacific.