The only definition I know is this one I have: a printed document that advertises or describes a school, commercial enterprise, forthcoming book, etc., in order to attract or inform clients, members, buyers, or investors.
Missiles. Soviets developed ICBM could reach U.S. and carried nuclear weapons, space, CIA used U-2 aircraft that flew so high they couldn't be shot down but was shot down in 1960.
Guam, Texas, parts of mexico, cuba (for a bit), philipines until after ww2, puerto rica, us virgin islands and I think that's it
The Great Depression caused serious inflation, so the answer is "Prices". Hope that helps!
