Nomads is the right answer.
Anyone who moves from one place to another rather residing in one place is called the nomads. There can be many reasons for the migration of the nomads such as herders change places because of the weather( that is not suitable for their animals). whereas, other nomads including that of the traders and merchants, travels move for exchanging of their goods.
Answer:
However, if we had to point to a particular moment, we might point towards 1920, as this was the year in which more Americans were living in cities than in the countryside for the first time. One of the innovations that had the greatest influence on this shift was the introduction of the assembly line.
Explanation:
Imperial leaders model of trade was mainly based on mercantilism principles.
Trade was heavily skewed against the conquered lands. Finished goods were exported to the colonies while it is only raw materials that the colonies would export to the colonial master.
Answer: I am pretty sure it was the Eastern front. I hope this helps.
A result of humans' increased dependence on the land and fears of scarcity—to a decline in nutrition and a rise in infectious diseases