Sentence:  Regardless of rights and wrongs , a population and an area appropriate to a pre <WSD>World</WSD> War I , great power have been , following conquest , ruled against their will by a neighboring people , and have had imposed upon them social and economic controls they dislike . 
Meaning of the word marked with <WSD> tags:  a war between the allies (Russia, France, British Empire, Italy, United States, Japan, Rumania, Serbia, Belgium, Greece, Portugal, Montenegro) and the Central Powers (Germany, Austria-Hungary, Turkey, Bulgaria) from 1914 to 1918