https://www.khanacademy.org/humanities/world-history/x66f79d8a:global-conflict 2026-06-30T19:50:47.936059619Z Global Conflict (1914 to 1991 CE) The historian Erik Hobsbawm called the period from 1914 to 1991 an “Age of Extremes.” Examine the causes and consequences of the twentieth century’s global conflicts and grapple with the horrific cost of total war. unit