Part A According to "The Immigrant Contribution," how is immigration a "gesture of faith in social mobility"?
A. U. S. society is constantly changing, and immigrants are a central part of that social process.
O
B. Immigrants have contributed to the United States' growth in industry, agriculture, and business.
O
C. Immigrants believe that moving to the United States offers them a chance to improve their social and economic status.
OD. The pioneering spirit of the nation--the desire to conquer new frontiers and explore the unknown is kept alive by immigrants.
Part B
ontribution" best sunnorts the answer to Part A?