The effective way by which government can ascertain public support and reaction is through
Opinion leaders
Party members
Campaigns
Election
Correct answer is D
An election is a formal group decision-making process by which a population chooses an individual to hold public office. Its a way the government of the day can know their public support from the citizens via casting of votes. Those who feel the government is working well and deserves more time in office, usually cast their vote for the government.