The answer to this question is A
The way you worded the question is a bit odd, but it seems like the answer your looking for is the Japanese Empire.
Answer:
When one nation has complete political and economic control another nation
Explanation:
Imperialism refers to the policy of the country in which a country extend its influence on other countries through colonizing its people on their lands, using its arm forces to invade an area of the country or control the country politically or economically. The main aim of imperialism is to gain power and superiority in the region and make its influence on the regional countries in world politics.
Stutthof concentration camp
It was also the last camp liberated by the Allies on 9 May 1945. It is estimated that between 63,000 and 65,000 prisoners of Stutthof concentration camp and its subcamps died as a result of murder, starvation, epidemics, extreme labour conditions, brutal and forced evacuations, and a lack of medical attention.