During Heath's premiership he bought in the industrial relations act to solve the industrial problems. he also abolished the National Board for Prices and Incomes. The industrial relations act set up an industrial relations court and provided for strike ballots and a cooling off. Before official strikes could begin. both trade union Congress and confederation of British industry was opposed to it. there were major strikes in 1972 by the miners, ambulance driver, firefighters, civil servants, power workers, hospital staff, and engine drivers. Heath also returned the policy of trying to manage wage demand with the passing of the industry act of 1972 which aimed to involve the government the tuc in the cbi in agreeing on wages, prices investment and benefits. In January of 1974 the National Union of miners called the strike. this led his to impose the three day week to conserve electricity. he's called a general election in February 1974 which the conservatives won five more seats than the Tories but this led to a hung parliament. he's attempted to make a deal with the liberals but failed. Labour as the largest party formed a minority government.