C. By prohibiting the manufacturing and sale of alcohol
I believe it was the use of poisonous gasses, which they not only used on the Jews but in war too......., or The newly created Machine gun<span />
Answer
Hostility of business towards unions
Explanation
A Union is a society or association formed by people with a common interest or purpose. In the 19th Century the labor movement in the United States grew out of the need to protect the common interest of workers. For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. Later these Unions were unsuccessful in improving work conditions because of government intervention. The United States government usually supported the businesses instead of the workers/labor unions because they increased the national wealth. Hostility of business towards unions was also a factor that greatly limited them.
Answer:
C . Trader
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