The answer to your question is A.
I think the answer is “Working together, America has done well”
<span>A. Make arguments that are easy to refute
It's important to understand the opposite side to your argument, but your counterclaim should be easily refuted by the rest of your argument, typically within the same paragraph. This shows that you've done your research on both sides, but still your side is much more strongly supported.</span>
A to inform about the paragraph
Answer:
B. Infinitive phrase is the answer