Answer:
a desire to increase its wealth, power, security, and prestige
Explanation:
Japan Imperialism began as the Meiji Restoration made the country experience a rapid increase of wealth with industrialization and investment coming to change the reality of a former isolated Japan.
The tremendous changes meant, competing with European standards favoring the modernization of the country.
The desire to increase wealth came, as rapid industrialization was made possible with Western investment and modernization.
The desire for an identity resulted in Japan later expanding overseas and becoming militarized with an establishment of colonies in China after the Sino Japanese War.
Following this Meiji period, Japan had became an actual colonial Empire
with an increased power an turned to threat the worldwide balance of power in the Pacific when it began to expand into South East and invade China (Manchuria).
The prestige of Japan became most widely known as winners of the Russo-Japanese War They defeated the Russians and secured their emergence as a power.
During the First World War, they remained untroubled and continued to grow.
Japan Imperialism lasted until the Second World War, which was the peak in 1947 experienced a turning point in 1949 as the US entry to the arena created a shift of power to end the presence of the Japanese among the many islands in the Pacific.
The US efforts in the Pacific secured the removal of the presence of the Japanese that were scattered.
The image shows the Empire of Japan at its peak: