Turbulent passage

["Cold War" "History Modern" "Modern History" "Twentieth century" "World War 1914-1918" "World War 1939-1945" "World politics" "World history: from c 1900 -" "20th century" "History" "History - General History" "History: World" "Modern - 20th Century" "History / General" "General" "History modern 20th century" "World politics 20th century"]