Which country switched alliances after WWI had begun?

hello there, can you add the "following" multiple choices

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same

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.

there was a king, priests, and peasants.