They already moved because of the threat from the Settlers.
Explanation:
Florida was a very popular region among the settlers. This territory possess a perfectly warm climate and excellent soils that make it easy to grow various types of crops.
This made a lot of people move here to opened up plantations/farms. As the number of settlers increased, Native Americans faced bigger threats of engaged in the conflict /being killed. This forced them to spread out and move to other territories before the creek migration even began.
The Constitution was drafted in 1787, after the American Revolution ended. What document preceded the Constitution in outlining the powers of the US government? the Declaration of Independence.
