Answer:
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Explanation:
I don't know exactly what immigrants you are talking about.
But
Mostly there were no job opportunities, so they had to leave. Usually, they have a family to support so they would need a job.
The place could have many natural disasters, a very unhappy life, wars, etc. It is very important where you live, the types of houses, the economy.
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MAIN ONES
1. No job opportunities, food shortages, and overall unhappy life.
