The main purpose of subheadings are:
They stand out because of their size and attract attention.
The scanner will stop to read them and continue scanning until the next subhead which they'll then read.
What is the symbol in this passage? In this passage, the symbol is Caesar's statue run with blood like a fountain while many Roman people were smiling and washing their hands in his blood. Her dream foreshadows a negative event and symbolizes Caesar's death.
President Kennedy makes intensive use of parallelism and antithesis for the sake of persuasion and to make his speech more appealing to the audience. Antithesis is a rhetorical device which is used to contrast two ideas or things in a parallel sentence. Parallel structure is a literary device which consist of a repetition of some pattern of words. These stylistic devices offer the reader a more pleasant speech as well as it makes the speech easy to understand the main idea of the thought.
Example: "Let us never negotiate out of fear, but let us never fear to negotiate."
I believe your answer is the first option; learning to work with people around the world. Hope this helped!
Thanks!
~Steve
