Answer:
The correct sentence is C. " Mass immigration into the United States began in the 1830s, when many Irish, Germans, and Scandinavians arrived. "
Explanation:
Sentence "A" incorrectly implies that the arrival ofIrish, German, and Scandinavian immigrants is merely an example andnot the main cause of the mass immigration of the 1830s;
sentence "B"
incorrectly implies that the arrival of Irish, German, and Scandinavianimmigrants was somehow contrary to the beginning of mass immigrationin the 1830s.
They are organized around issues relating to Economic Interest
