The party grew more popular, in 1973 elections it gained 11.8% of votes and was granted 48 seats in the Turkish Grand National Assembly, in 1977 elections it gained 8.56% of votes and won 24 seats.[1] In 1974 it formed the coalition government with the secularist Republican People's Party (CHP) of Bülent Ecevit. MSP was closed down after the 1980 military coup.[2]