Japan's rise as an imperial power was driven by the same motives as Western powers: economic interests, strategic security, and national pride.

Economically, a rapidly industrializing Japan needed raw materials for its factories and new markets for its goods.

Strategically, Japan's leaders believed that acquiring a colonial empire was necessary to protect the home islands from Western encroachment.

Success in the Sino-Japanese and Russo-Japanese wars demonstrated Japan's military strength and fueled its imperial ambitions.

Japan adopted the Western model of imperialism, believing it was necessary to be considered a first-rate world power.

Its first major colonial acquisitions were Taiwan (1895) and Korea (1910).

Japan also gained significant influence and economic control in Manchuria.

The powerful and increasingly independent Japanese military played a major role in driving imperial expansion, often acting without civilian government approval.

The ideology of 'Pan-Asianism' was used to justify Japanese expansion as a mission to 'liberate' Asia from Western colonialism.

Japanese imperialism became a major cause of instability in Asia and was a primary cause of the Pacific War (World War II).