The 1920s: Innovations in Communication and Technology (Period 7 Topic 7)

Assembly Line

a large **conveyor** **belt** that slowly transported the partially built products from worker to worker

Henry Ford

made automobiles, the most recognizable of which was the mass-produced **Model T**

Frederick Taylor’s **Scientific** **Management**

Taylor went into factories with a **stopwatch** and timed every little task that workers performed and then made recommendations for how those workers could shave a second off here and another second there

Sigmund Freud

studied human psychology and helped advertisers tap into the subconscious

*The Jazz Singer*

the first movie to have synchronized **sound** and **music**, and thus ended the **silent** film era

Harlem Renaissance

growth of African American literature, art, and music