I believe it was the Soviets
Answer:
On December 20, 1836, President Andrew Jackson presents Congress with a treaty he negotiated with the Ioway, Sacs, Sioux, Fox, Otoe and Omaha tribes of the Missouri territory. The treaty, which removed those tribes from their ancestral homelands to make way for white settlement, epitomized racist 19th century presidential policies toward Native Americans. The agreement was just one of nearly 400 treaties—nearly always unequal—that were concluded between various tribes and the U.S. government between 1788 and 1883.
Explanation:
