What was one reason Native American Indians in the Southeast were removed from their native lands?

The expansion of Anglo-American settlement into the Trans-Appalachian west led to the passage of the Indian Removal Act in 1830, forcing all eastern tribes to move to new homelands west of the Mississippi River in the Indian Territory. ... Texas, too, forced out all remaining tribes in 1859.

Explanation:

The Removal Act paved the way for the forced expulsion of tens of thousands of American Indians from their land into the West in an event widely known as the "Trail of Tears," a forced resettlement of the Indian population.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.