Many people migrated from north and east to the sun belt states during the 1950 because of

b) that he was not a free man

trade in silk, spices, and precious metals.

answer first choice

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.

it is in memorial of the independence day