They built 11 mounds at Spiro near the Arkansas River.
I believe that it was A, they were unprepared and disease rampaged throughout the settlement killing more then the natives or anything else could ever do. Please Mark As Brainliest
Answer: blacks were slaves
Explanation:
U need to show the map to get an answer
<span>They were able to turn flat figures into three dimensional figures using perspective it portrayed death and distance and felt more realistic.</span>