The Lend Lease Act was an attempt by the United States to support other nations within the Allied Forces during World War II. Under this program the United States provided other Allied nations with food, oil, and material from 1941 to 1945.
A. 12 hours a day, six days a week.
Because of it was a new era in manufacturing, industrial, companies soon swept over the market. One individual does not have much say in an entire corporation. But the entire workforce may have more leverage in the corporation that the corporate it's self. Thus when unjust wages and hours were enforced, the people needing what little money they could get. Labor Unions were formed.
The answer i would choose will be, independent Agencies
There were three main causal factors for Americans to fear mass immigration: cultural differences, between newly arriving immigrants and the American population; economic tension due to the changes in people’s work situations as America’s population grew, and the effects of the First World War.