Japanese Asianism developed in intertwining among debates on solidarity with Asian nations who were under pressure of Europe and on aggressive expansion to the Asian continent. The former debates originated from liberalism. Their ideologues were Tokichi Tarui (1850–1922) who argued for equal Japan-Korea unionization for cooperative defence against the European powers, and Kentaro Oi (1843–1922) who attempted domestic constitutional government in Japan and reforms of Korea. Pan-Asian thought in Japan began to develop in the late 19th century and was spurred on particularly following the defeat of Russia in the Russo-Japanese War (1904–1905). This created interest from Indian poets