D. It provided the guidelines for opening unassigned lands for white settlers in Indian Territory.
Explanation:
Cahokia was the largest and most influential urban settlement of the Mississippian culture, which developed advanced societies across much of what is now the Central and the Southeastern United States, beginning more than 1,000 years before European contact.
What is one main characteristic of secondary sources intended for academics and students? A. They include interesting events and characters to entertain the audience.
Answer:
This question has already been answered else where on this site :)
But.. the answer is yes he did. Hope this helped you :)