It depends on the country. Some countries have respect for their enemies and would return bodies of fallen soldiers. Others would keep them as trophies. It completely depends on the country.
Imperialists seeked possession of colonies that had extractive economies because they wanted to gain the advantage of the global resources.
The answer is D, Kaiser Wilhelm was the last German Emperor (Kaiser) and King of Prussia, ruling the German Empire and the Kingdom of Prussia from 15 June 1888 to 9 November 1918.