 In 1984, with the agreement of the government, under the leadership of Abdurrahman Wahid, the Nahdatul Ulama (NU) left the PPP, which it had been forced to join under the 1973 fusion of the Islamic parties.Later that year, the government obliged all political parties to adopt the state philosophy Pancasila as their ideological basis.In 1985 the PPP was pressured to change the party symbol from the Kaaba, the building at the center of the al-Masjid al-Haram in Mecca, Saudi Arabia, to the star from the official symbol for Pancasila.