Title: A century of war
Subjects: World War, 1914-1918, World politics, Causes, World War, 1939-1945, Petroleum industry and trade, Foreign relations, History, Petroleum industry and trade, history, Great britain, foreign relations, united states, United states, foreign relations, great britain, World war, 1914-1918, causes, World war, 1939-1945, causes, World politics, 20th century
Places: United States, Great Britain
Time periods: 20th century