Answer: I think it would be Tunica Tribe. I am not 100% sure though
When World War II was over it came to light that the military had rejected over half of the men who were drafted or had given them lighter duties, because they were not fit enough for combat. The United States began to realize it needed to focus more on fitness. A researcher by the name of Thomas K. Cureton began to study exercise and fitness. He conducted many experiments and was able to establish a set of guidelines for maintaining fitness.
Answer:
It showed the people of Europe that the United States was independent
Explanation:
The document showed the common men of Europe that the United States which was colonized was independent but the fact that Europe was not.
They commissioned and funded art and their work