Why did Japan want to expand its territory into Manchuria? to antagonize Russia to create a hybrid Japanese and Chinese cultural identity to develop the land as part of a new imperial palace to support its growing population

Explanation:

The answer is given in the question

The Empire of Japan[c] was a historical nation-state[d] and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent formation of modern Japan.[8] It encompassed the Japanese archipelago and several colonies, protectorates, mandates, and other territories.