Complex sentence: By the end of World War I, up to 1,200,000 Armenians were forcibly deported from their home Vilayets, many in several acasions, as a result about half of the displaced died of exposure, hunger and disease or were victimes of banditry and forced labor.
Split into simpler sentences: By the end of World War I, up to 1,200,000 Armenians were forcibly deported from their home vilayets. As a result, about half of the displaced died of exposure, hunger, and disease, or were victims of banditry and forced labor.