What procedure, which is available in many states, does the passage describe?

i understand why the state passed a law raising the minimum wage, but i already had to let two employees go because i couldn’t pay them. i think the legislature raised it too far, too fast. we need to go more slowly. i collected all the signatures required to let citizen decide for themselves. on tuesday we all be able to vote on whether to keep the law.

a. recall
b. initiative
c. impeachment
d. referéndum