How did the phrase reinforce churchill’s overall message in this speech?

 Churchill’s “iron curtain” phrase immediately entered the official vocabulary of the Cold War. U.S. officials were less enthusiastic about Churchill’s call for a “special relationship” between the United States and Great Britain.

The second , larger puritan colony of massachusetts bay was conceived as a "city upon a hill". but it also struggled with internal turmoil like the salem witch trials and external conflicts like king philip's (metacom's) war.