Why Is It Striking That the Painting of the Treaty

Why is it striking that the painting of the Treaty of Greenville features an Indian appearing to dictate terms to white Americans?

A) Because Indians and white men did not speak the same language,so they would not have been able to verbally communicate
B) Because the white Americans would never have taken direction from an Indian
C) Because women always handled political negotiations in native cultures
D) Because in reality,the terms of the treaty were mostly favorable to the United States rather than to native groups