It gave the illusion of becoming weightless.
1) Jackson thinks that the immediate and speedy removal of Native Americans will be advantageous for the United States because it would increase the amount of land controlled by white settlers and allow for possible assimilation of Native Americans into American culture.
2) Jackson thinks that the immediate and speedy removal of Native Americans will be advantageous for Native Americans because it will prevent future conflicts with settlers. During the early-mid 19th century, thousands of white American farmers were encroaching on Native American land in hopes of starting their own farms or plantations. This constantly resulted in violence between these two groups. By moving further west, out of the way of white settlers, there would be less violent conflict for Native Americans.
To have more food available to feed the troops
The Indian ocean does not border North America.
It was a trade route over the sea. It contributed in the slave trade between Africa, Cuba, and the USA (might be called the American Colonies, depends on the time)