Korea
Japan at the time of its opening had no imperialist ambitions. The purpose of opening japan was to use its ports as coaling stations, prevent the maltreatment of us/european sailors shipwrecked there and eventually develop it as a market. It was initially a victim of the imperialist designs of other nations (though this changed over time).
i think parts of Russia, china, Korea , midway island and a pile of little islands in the pacific
Japan
Prior to its imperialist policy during WW II, Japan had a long history of isolationism.
Access to natural resources that could not be found in japan
USA was never an imperial power.
After its isolationism, Japan became an imperialist country. Japanese citizens who left Japan were banned from returning. Japanese citizens were not allowed to leave the country.
Access to natural resources that could not be found in Japan (Apex)
the United States showed its determination to block the imperialist ambitions of Japan
In World War Two Pearl Harbor was attacked by imperialist japan
yes he is an imperialist