Answer:
To defuse the worsening crisis, Kennedy and his advisers agreed to dismantle the U.S. missile sites in Turkey but at a later date, in order to prevent the protest of Turkey, a key NATO member. On October 28, Khrushchev announced his government's intent to dismantle and remove all offensive Soviet weapons in Cuba.
Explanation:
American exceptionalism can best be defined as the belief that B.) the United States had a duty to spread its ideals around the world. The American belief of exceptionalism or uniqueness in relation to other nations around the world is largely centered around what are believed to be enlightened American ideals around issues such as democracy, human rights, and liberal economics. Because of this the United States has taken it upon itself to spread these ideals around the globe.
Well some of the inventions during the 1920s would be the radio,and Henry fords automobile was introduced. So their lives became more modern in a way