Doldrums

Doldrums dol-drums /ˈdōldrəmz,ˈdäldrəmz/ Noun

listlessness, feeling the blues, an inactive period

“Like JFK (John Fitzgerald Kennedy), Calvin Coolidge divined that a new technology could lift the nation out of its doldrums; the only difference was that JFk’s new technology was space travel, and Calvin Coolidge’s travel by airplane.”