<span>A. Take a close look to determine why it has been underlined </span>
Here is the answer to the given question above. Based on the given sample sentences, the best way to combine the sentences using a semicolon would be this: <span>The world’s nations must cooperate; one nation cannot solve the world’s problems by itself. The correct answer would be the second option. Hope this helps.</span>
Answer:
C
Explanation:
The politician <u>refused</u><u> </u> to admit that we had done anything wrong.
