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.
The dissolution of the Union of the Soviet Socialist Republics (USSR) "reduced the number of Communist nations in the world" and "<span>changed boundaries in Europe," since the USSR had overseen a number of "satellite states". </span><span />
Herbert Hoover lost by a narrow margin
The French intellectual, Jean-Jacques Rousseau is best described as D. <span>an Enlightenment philosophe who believed in the goodness of human nature.</span>