 Complete the following phrase:  The Pakistan Democratic Party PDP was a political party in Pakistan, founded by Nawabzada Nasrullah Khan in June 1967. Nawbzada Nasrullah Khan led the party until his death in 2003. After Nawabs death, the partys leadership was later taken by his son Nawabzada Mansoor Ahmed Khan who later merged it with Imran Khans Pakistan Tehreek-e-Insaf in 2012. It was a major rival during Pakistans former president, Pervez Musharrafs prsidency due to its affliation with Alliance for Restoration of Democracy ARD led by its chief Nawbzada Nasrullah Khan along with PML-N and PPP which was created to campaign for Pakistans return to civilian rule after the 