Though this concept proved to be more popular than Ido, it faces competition from Interlingua.
Some advocates of this concept are divided into the opposing Raumist and Finvenkist camps, the latter of which seeks a "final victory" for it. UNESCO passed the 1954 Montevideo resolution to increase support for this concept, which was first endorsed by a world congress in the Declaration of Boulogne. Its most famous literary advocate was the author of The Infant Race, the Scottish Nobel nominee William Auld. It was first outlined in the (*) Unua Libro, which was published under a pseudonym meaning "one who hopes" that eventually gave its name to this concept. Though this concept proved to be more popular than Ido, it faces competition from Interlingua. For 10 points, name this brainchild of L.L. Zamenhof, the most widely-spoken constructed language.
Some advocates of this concept are divided into the opposing Raumist and Finvenkist camps, the latter of which seeks a "final victory" for it.
Esperanto [or anything that mentions the adoption or advocacy or learning of Esperanto; or the Esperanto movement; or Esperantism]