Respuesta :
A factor that contributed to the spread of popular culture in the mid-twentieth century was the: expansion of civil rights.
What is meant by civil rights?
This was a movement that saw people talking about the injustices that they suffered in the United States.
The movement was to ensure that black [people had rights, there were employment rights and also women had rights.
Read more on civil rights here: https://brainly.com/question/131269
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