Usonia vs arsenal of democracy

Usonia

name
  • Frank Lloyd Wright's utopian vision of the United States 

  • The United States of America; a one-word name for the country that does not have the ambiguity of "America". 

  • A community in New York state designed by Frank Lloyd Wright in his Usonian style 

  • In geopolitical and international economic modeling, a prototype superpower that, in competing with an antagonistic superpower Russonia (the Soviet Union), allows Thirdonia (a hypothetical neutral Third World country) to extract considerable wealth from both. 

arsenal of democracy

noun
  • The United States of America, as supplier of extensive materiel support to U.S. allies during World War II; or post-war U.S. as the manufacturer and possessor of the greatest quantity of advanced military weaponry in the world, in the service of defending democratic forms of government. 

How often have the words Usonia and arsenal of democracy occurred in a corpus of books? (source: Google Ngram Viewer )