Which statements concerning the Electoral College are true?

The explanation is the answer

Explanation:

state’s number of electors is equal to its number of representatives and senators in Congress.

The Electoral College was established by the U.S. Constitution.

 In most states, the candidate who wins the popular vote wins all of the state’s electoral votes.

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.