It would be 40001 BC-35000 BC in the paleolithic period of the Stone Age.
The group that constituted the backbone of the American labor force throughout the nineteenth century is Common laborers.
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Who are the American labor force?</h3>
American labor force are the group of workers in the united state that usually fight for the right of the workers from the government or with their respective employers.
However, in the nineteenth century , most of those that stand and protested for the right of the workers are the common laborer as well as the factory workers.
Learn more about American labor force at:brainly.com/question/13280244
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Murder, love, divorce, prayer, adultery, fastening, alms-giving
Appeasement (choice A.) would be the best answer, in my opinion.
