Select the correct answer. Which economic system do most countries operate under today?
O A.
free-market economy
B.
command economy
C.
mixed-market economy
D.
traditional economy
Reset

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

the answer to your question is

the treaty of hopewell

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.

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.