Post-war, all of the combatants were rather weighed down by large amounts of debt they had accumulated during the war. This, combined with rapid overproduction of currency, caused hyperinflation and doomed global economies, later leading to the Great Depression.
6. Reform
They come together to change something
"The Scopes Trial<span>, formally known as </span>The State of Tennessee v. John Thomas Scopes<span> and commonly referred to as the </span>Scopes Monkey Trial<span>, was an American legal case in July 1925 in which a substitute high school teacher, </span>John T. Scopes<span>, was accused of violating </span>Tennessee<span>'s </span>Butler Act<span>, which had made it unlawful to teach </span>human evolution<span> in any state-funded school." wikipedia</span>
Answer:
While it is most often used to mean equally impractical and idealistic, it also has the sense of romantic nobility. It's source is from the great Spanish novel "Don Quixote",whose title character is given to unrealistic schemes and great chivalry.