Help? Which evidence is most relevant to Kennedy’s claim that the internal conditions of the United States relate directly to the Communist threat?

"This is a great country, but I think it could be a greater country; and this is a powerful country, but I think it could be a more powerful country."

"The kind of country we have here, the kind of society we have, the kind of strength we build in the United States will be the defense of freedom."

"The reason Franklin Roosevelt was a good neighbor in Latin America was because he was a good neighbor in the United States."

"I don't want the talents of any American to go to waste. I know that there are those who want to turn everything over to the government."