The correct answer is option (b) i.e "Our Constitution has survived domestic and international tumult, including a civil war, two world wars, and the catastrophe of September 11th."
Amarican civil war
The American Civil War, sometimes known by various names, lasted from April 12, 1861, to May 9, 1865, and it was fought between the Union (states that remained devoted to the federal union, or "the North") and the Confederacy (states that voted to secede, or "the South").
2 world war
The First World War, also known as WWI, lasted from 1914 to 1918, and the Second World War, often known as WWII, lasted from 1939 to 1945. In terms of scale, they were the biggest wars ever. Military coalitions between various groups of countries were active in both wars.
The opposing alliances are now referred to as "The Axis" and "The Allies" in reference to World War II (also known as the Second World War). Germany, Italy, and Japan were the members of the Axis. The nations that made up the Allies were China, France, Britain, the United States, and the Soviet Union. Due to the Nazis' systematic extermination of Jews, World War II was particularly terrible.
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