 During its period in the opposition, the Kenseikai strongly opposed the Siberian Intervention and pushed for greater rights for labor unions.In the 1924 General Election, the "Kenseikai" secured 150 seats, making it the largest single party in the Lower House, but without a majority.Katō agreed to form a coalition government with the "Rikken Seiyukai" (led by Takahashi Korekiyo), which had 100 seats, and the "Kakushin Club" (led by Inukai Tsuyoshi), which had 30 seats.