Which sentence uses a colon correctly?

In the five stanzas of this poem. the speaker observes and participates in five american scenes. describe the scene in each stanza. what emotion does each scene evoke?

Line 1 of this excerpt features a strong example of

"as one of our outstanding historical figures once said, ‘when a great democracy is destroyed, it will not be because of enemies from without but rather because of enemies from within.’" (paragraph 7) how does this quote reveal mccarthy’s point of view and advance the purpose of his speech?