Read the excerpt from President Reagan’s Address at Moscow State University.

But progress is not foreordained. The key is freedom—freedom of thought, freedom of information, freedom of communication.

Which is true of these lines?

Repetition is used to emphasize the importance of freedom.
Repetition is used to argue that progress is inevitable.
Allusion is used to emphasize the importance of freedom.
Allusion is used to argue that progress is inevitable.