$0$:$39$:$3$

Question $1(1$ point$)$

America was undergoing enormous economic growth, its people feared subliminal advertising, and advertising agencies began to use motivational research. This time period was

$$ A$)$ the $1940$ s and $1950$ s

B$)$ the $1960$ s and $1970$ s

C$)$ the $1930$ s and $1940$ s

D$)$ the $1910$ s and $1920$ s