What's the grammatical function of "and split asunder"?
Excerpt:
United, there is little we cannot do in a host of cooperative ventures. Divided, there is little we can do—for we dare not meet a powerful challenge at odds and split asunder.

What's the part of speech of "split"? How does the phrase function?

Question

What's the grammatical function of "and split asunder"?
Excerpt:
United, there is little we cannot do in a host of cooperative ventures. Divided, there is little we can do—for we dare not meet a powerful challenge at odds and split asunder.

What's the part of speech of "split"? How does the phrase function?

Answer

'Split' is a verb here. To split asunder is basically to divide under the challenge. It is a contrast with the word 'united' in the first part of the sentence.