The event considered to be the “spark” that started the War on Terrorism is 911
Semantics is the study of word meanings.
It is one part of linguistics, other being syntax: the study of sentence structure, phonology and phonetics: the study of sounds, morphology: the study of word structures and pragmatics: the study of actual use of language.
Of what is listed Germany lost the highest percentage of its population. Their numbers, though, were no where near the percentages of what was lost by the USSR. More men were lost there. Russia actually had both men, women, and children fighting in the war. This allowed for a greater chance of more loss of life.