What questions do historians ask to establish the historical context of primary sources?

First, historians ask what happened in the past. In other words, they are asking about basic facts. They need to know things like what empire ruled a given area at a given time. By asking these questions, they get a general understanding of the facts about a given time and place.

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It was a combination of conquests and alliances

Be the economy is horrible so people immigrate to the usa for a better life. most people just grow up from poverty and work day and night to support their family, some just come because there is a lot of drug dealers and gang that assaults people.