1) I stayed at my sister's house.
2) Do you know Simon's phone number?
3) My brother's job is very interesting.
Basically, the idea of thesis were simplifying and shortening a sentence makes it easier to understand, that is where you should change the sentence. If it appears to make the sentence awkward, then leave it.
The United Nation impacted the course of the Cold War by serving as a facilitator to negotiate a peaceful resolution to the Cuban Missile Crisis.
<h3>What was the Cold War?</h3>
Cold War was the political disturbance between the United States and Soviet Union happened after the World War ll.
Two reasons that can be said as the reason of this war were fear of spreading of communism in the United States and emergence of nuclear power.
Thus, the correct option is B, It served as a facilitator to negotiate a peaceful resolution to the Cuban Missile Crisis.
Learn more about the Cold War
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Jamie got.
~btw, next time just look for the subject and predicate being right beside each other, I hope this helped!!