Categorize police protection and national defense are examples of what fovernment role in the circular flow model

answer; ///because of what santa anna did to their bodies;

food chain i would say only because there is competition on getting food and survival

the answer to your question is true

explanation:

hope this and mark me as brainliest!

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.