The Chinese Exclusion Act
and Operation Wetback
The answer you're looking for is A. everyone wanted a job, and a factory was one of the best places to get a job without much skill.
The lend lease is the system organized by the UNITED STATES in 1941 which provided equipment and services for the allied countries fightining germany the lend lease is the term given to the U.S. giving materials aid to the allies
The hot, humid weather made the work exhausting.
I believe it is D) because by farming they make produce, and the more produce there is the more money there is.