What happened to California political statues as a result of the population change?

number 4. should be the correct answer

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.

urban people were mostly involved in jobs that required phyisical labor they are paid daily wages (minimum wages) from which they evoke their living. daily wages also mean that the day they don't turn up for work ,even due to sickness, they aren't paid anything.