John Adams
John Adams, a remarkable political philosopher, served as the second President of the United States.
The correct answer to this open question is the following.
First, we have to clarify something. This is not the correct statement for the question.
The correct question should be read like this: "Explain the significance of Alan Freed renaming race music as rock-and-roll music."
Now, we can comment on the following.
Alan Freed was a famous disk jockey in the 1950s, The significance of Alan Freed renaming race music as rock-and-roll music was that this change allowed him to promote this modern music in different publics, including the white youngsters that immediately fell in love to rock and roll.
What he successfully did was to take the black musicians that played rock and roll like Little Richard and Chuck Berry, to the massive white audience that had the money to buy records and buy tickets. And sell records and tickets he did, because he promoted r&r music and produced many concerts in different venues.
The correct answer is prevent communism from spreading to any additional territories.
The Cold War was an time period in which the United States and Soviet Union competed for global influence and power. At this time, the US was worried about the spreading of the Soviet Union and their power due to their communism system. The federal government felt that communism restricted individuals civil liberties and economic freedoms. This is why the US adpoted the policy of containment.
Containment was focused on stopping the spread of communism to other countries and territories around the world.