What is the author’s purpose in paragraph 4?
To explain that some people think “United we stand, divided we fall” originated in rock songs and novels for young adults.
To explain that some people believe “United we stand, divided we fall” cannot be accredited to any one source.
To argue that “United we stand, divided we fall” has permeated pop culture because so many people relate to it.
To argue that “United we stand, divided we fall” has permeated so many different contexts that it has lost its meaning.