Which sentence best summarizes Reagan's claim in this passage?

Democracy leads to greater prosperity than communism does.

Explanation:

According to a different source, this is the passage that the question refers to:

"Where four decades ago there was rubble, today in West Berlin there is the greatest industrial output of any city in Germany-"

This passage comes from Ronald Reagan's speech "Tear Down This Wall." In this speech, the author focuses on the differences between communism and capitalism or democracy. He argues that the success of West Berlin is due to the fact that this region exhibits a democratic government. The assumption in the text is that democracy leads to greater prosperity than communism does.

What passage?