As U.S. forces continued to rearm in preparation for turbulence overseas, the Great Depression eased its grip on the American people in 1940. People were working and earning more and, in turn, buying more goods. Music and art flourished: Jazz musicians Benny Goodman and Count Basie rose to popularity, and superhero Captain America made his debut. DuPont’s Nylon stocking became immensely popular with women, selling millions of units.

Concern turned toward Europe, as German troops continued to move toward Allied defenses. Facing impending involvement in World War II, Franklin D. Roosevelt was nominated for an unprecedented third term as president.

Advertising agencies increased spending, stressing patriotism and support for the country.

Pictured here is a selection of advertisements that appeared in HPAC Engineering, then called Heating, Piping and Air Conditioning, in 1940.