According to william dene how did lay english people behave during the plague

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.

a widespread disease that killed many people

the split of the christian church

invasion from arab muslims