A nomad is someone who travels on and on for fresh pasture for farming etc anyways it relates to the spread since they would go from place to place telling people about Islam spreading there religion far and these nomads would tell other nomads and those on and on it was easier to spread than villages since villages are closed up and people don't move but the nomads are constantly moving people
"Red Army" is slang, I believe
Hope this picture with a fact helps you.
Answer: Most of the people living in the 13 colonies lived and worked on a farm. Although there would eventually be large plantations where the owners became rich growing cash crops, however life for an average farmer was very hard work. They had to work hard all year just to survive.
