What were the more critical ideas that historians argue should be added to the causes? (There are three. Give an explanation for each.)

fill in the blank

is slave

sorry its a lil late, but the answer is d. the rotation 180° about z'

answer: in 1900, there were no "workplace safety laws"!

explanation: at the beginning of this century, workers in the united states faced remarkably high health and safety risks on the job.

a century ago in 1900 about three hundred out of every one hundred thousand miners were killed on the job each year.

[industria] developments occurred within a legal and regulatory climate that diminished employer’s interest in safety. as a result, americans developed production methods that were both highly productive and often very dangerous.