Due will mark as brainliest if answered

which of the following best illustrates the concept of limited government?

a. the supreme court ruled that a law passed by congress was unconstitutional
b. a senator decides to vote in favor of a law after a public opinion poll showing massive support for it in her district
c. a president is reelected after a successful first term in office
d. an unpopular governor is replaced with his opponent on election day