Answer:
A. the assembly line
Explanation:
The assembly line was an invention by Henry Ford that aimed to reduce the time that a certain product, in this case a car was produced, this increased the productivity of his company and increased the profit, the assembly line is basically a moving line were different workers did a repetitive task for long periods of time, putting thousands of bolts a day while other tightens them, and other worker puts the tires, or another part of the car.
i believe the answer is the preamble ^^
<span>an agreement signed by a worker promising not to join a union while working for a company.
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Answer:
James Hargreaves, Hargreaves also spelled Hargraves, (baptized January 8, 1721, Oswaldtwistle, Lancashire, England—died April 22, 1778, Nottingham, Nottinghamshire), English inventor of the spinning jenny, the first practical application of multiple spinning by a machine.
Explanation: