I'm pretty sure that would be true because of his crisis theory.
Marco Polo is very well known for his travels on this silk road as well as his 24-year journey to Asia. Throughout this time he became very well acquainted with the people he encountered and became a confidant of Kublai Khan. Since Kublai Khan was the Khagan of the Mongol Empire this allowed Marco polo to fit in better.
Answer:
A. served in the military and worked in war production
Explanation:
According to Wikipedia, as many as 25,000 Native Americans in World War II fought actively: 21,767 in the Army, 1,910 in the Navy, 874 in the Marines, 121 in the Coast Guard, and several hundred Native American women as nurses.
Serving in the military and involvement in war was a common practice by the Native Americans during that period.
7. C
8. A
9. I think C & D
10. A