Which was an inherent feature of the factory system?
a) lack of supervision
b) mass production
c) engrossing work
d) safety

answer: c  

the factory goes out of business, causing the workers to lose their jobs.

explanation:

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

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