Following state elections in July 1970, the SUPP then entered into a coalition with the Alliance Party's Sarawak partners, the Bumiputera Party and the Parti Pesaka Anak Sarawak, in the Sarawak State Legislative Assembly.
Qaboos acceded to the throne on 23 July 1970 following a successful coup against his father, with the aim of ending the country's isolation and using its oil revenue for modernization and development. He declared that the country would no longer be known as Muscat and Oman, but would change its name to "the Sultanate of Oman" in order to better reflect its political unity.