Answer
They were kept from combat roles.
Explanation
During World war 2 which started in the 19th century, African-American units were utilized by the Army to combat the Native Americans during the Wars. The most noted among this group were the Buffalo Soldiers. Many of these men were unofficially allowed to enlist in the Union Army The African-American men registered for the draft, and black women also volunteered in large numbers. While serving in the Army, Army Air Forces, Navy, Marine Corps, and Coast Guard, they experienced discrimination and segregation but met the challenge and persevered.
There was trails all across The U.S. There was also coming from the other side of the world. lolz. And also walking I guess.
This question is not answerable, because it does not contain any information for us to use,
A: Harun al-Rashid i believe<span />
Answer: These are the 2 you could use.
Explanation:
Muhammad. He was an important and strong leader, he worked as a caravan guide for Khadija, and he also heard the gods.
Abu Talib. He was a merchant who took in Muhammad when he was a young orphan and raised him as his own son.