Ruth kept a document showing that she had arrived in America legally.
Immigration is the international movement of individuals to a country of destination where they are not natives or citizens in order to establish themselves as long-term residents or naturalized citizens. Short-term visitors, commuters, and other travelers do not fit within the definition of immigration or migration; however, seasonal labor immigration is occasionally included.
According to research, migration has positive economic impacts on both the sending and receiving countries. With few exceptions, research shows that immigration generally has favorable economic effects on the native population.
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