The adoption of the initiative shifted the balance of power toward the people by allowing a. citizens to introduce legislative proposals at the state or local level

b. voters to pass judgment on proposed legislation

c .voters to demand special elections to remove ineffective public officials

d. citizens to seek public office more easily

a. citizens to introduce legislative proposals at the state or local level

Explanation:

The answer is citizens to introduce legislative proposals at the state or local level because the powers of the givernment are divided into two parts, which are state/ local government and federal government. Citizens are encouraged to propose new ideas that could one day be passed into legislation at the state and local government level.