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(A.) The assembly line was introduced during the industrial age when factory owners began to favor efficiency and standardization which saved a lot of money and made a lot of money.
B. Costs too much and takes more time, requires specialized workers.
C: Not as efficient as assembly line process.
D: There were no labor unions or laws, so workers were overworked and underpaid, this is just wrong.
Claimed to make war and peace hope this helps u :)
