An essential role of government in a model market system is to A prevent inflation
B. protect collective bargaining
C. provide universal health care
D. preserve freedom of contract

what are the answer choices?

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.

answer; protectionism fosters competition and keeps price regulated;