answer:
the assumptions that long dominated discussion of the costs and benefits of immigration were replaced during the 1980s by a number of new questions, issues, and perceptions. The evidence suggested that immigrants did no harm to native employment opportunities, and were less likely to receive welfare assistance than natives.
Immigration is the act where people migrate to foreign nations with the intention to permanently settle there.
The disagreement shows that immigration policy would bring employment crises in the nation along with sharing of welfare programs which would restrict its exposure to native people.
However, as per studies, it is found benefits that no employment problem arises from immigration policy as it brings new ideas and growth as well.
Learn more about immigration here;
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