African americans moved to the north in the 1920s because
a.
jobs in the south were scarce and low-paying.
b.
many southern factories refused to hire them.
c.
many jobs opened up for them in the north.
d.
all of the above.

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.

answer; a farmer who refuses to fight in his country's army;