What the sentence that you are talking about
Answer:
In 1961, John F. Kennedy was inaugurated as the 35th president of the United States, Soviet cosmonaut Yuri Gagarin became the first human to fly in space, Freedom Riders took buses into the South to bravely challenge segregation, and East Germany began construction of the Berlin Wall
Explanation:
According to the excerpt, the option that identifies an implicit meaning one could draw from it would be the second one: "Locke is unfamiliar with the term <em>idea</em>".
In the excerpt, Locke is not asking what Idea is nor is he being uncertain about the relationship between speculative and practical ideas. He seems to never heard it before and the exact meaning fades away.
That's why he asks what it represents and not its definition or for someone to repeat the explanation. He just needs an example to clarify the boundaries of the <em>idea's</em> meaning.
Choice a : Explains what the nations need to do and elaborates some.
--wrong answers--
Choice b only gives a statement of what the nations need to do.
Choice c is a question.
