Question: The Treaty of Doak's Stand, was signed on which date, between the United States and the Choctaw tribe, a Native American people originally occupying what is now the Southeastern United States (modern-day Alabama, Florida, Mississippi, and Louisiana)?
Sentence (from "Treaty of Doak's Stand"): In October 1820, Andrew Jackson and Thomas Hinds were sent as commissioners who represented the United States to negotiate a treaty to surrender a portion of Choctaw country in Mississippi.
Relevant evidence: No