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Kolone was first elected to parliament, the Legislative Assembly of Samoa, in 1967 representing the electorate of Vaisigano No. 1. In 1979, together with Tofilau Eti Alesana he founded the Human Rights Protection Party to oppose the government of Tupuola Efi. The HRPP won 24 seats in the 1982 election, and Kolone was appointed Prime Minister. However, an election petition stripped him of his seat shortly afterwards due to bribery charges and he was forced to resign. Tupuola Efi was appointed Prime Minister and served until Kolone regained his seat in the subsequent by-election. In the meantime Tofilau Eti Alesana had been elected leader of the HRPP and served as Prime Minister for the rest of the parliamentary term.