In terms of techniques, the TPP began to use telegrams and petitions to international organizations to reflect Taiwanese public opinion, reveal government abuses, and put pressure on the colonial authorities. Striking a blow against authority Among the many campaigns promoted by the TPP, the one opposing opium permits and one to reveal the truth about the Wushe Incident inflicted the greatest pain on the colonial regime.
總督府調動大批軍警、大砲圍攻，泰雅族人盤據天險，頑強抵抗，迫使總督府以毒瓦斯攻擊，頭目莫那魯道見大勢已去，和部下集體自殺，即是震撼一時的「霧社事件」。霧社事件後總督府極力掩飾，民眾黨則對日本政府及反對黨發出電報，也措辭強烈地向國際披露，最後導致石塚英藏總督下台。