Complex sentence: Within the district is the village of Vaisala (Samoa) whose chief Va'ai Kolone became the Prime Minister of Samoa twice in the 1980s and also founded the Human Rights Protection Party (HRPP), the dominant party in Samoan politics and which is currently in power.
Split into simpler sentences: Within the district is the village of Vaisala whose chief Va'ai Kolone became the Prime Minister of Samoa twice in the 1980s. Kolone also founded the Human Rights Protection Party (HRPP), the dominant party in Samoan politics which is currently in power.