"They promised bills and laws in favor of immigrants in exchange for votes" is the one way among the following choices given in the question that political machines, such as Tammany Hall, work with and for immigrants.
<span>Increased as a way to improve one's own economic and social opportunities.</span>
Answer:
Civilian Conservation Corps (CCC), (1933–42), one of the earliest New Deal programs, established to relieve unemployment during the Great Depression by providing national conservation work primarily for young unmarried men.