Question

Which group constituted the backbone of the american labor force throughout the nineteenth century?

Answer 1

The group  that constituted the backbone of the American labor force throughout the nineteenth century is  Common laborers.

Who are the American labor force?

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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