In 1920, American voters elected a President who promised <u>to increase the U.S. role in world affairs.</u>
Answer:
C.
Explanation:
It prevented the two engines from controlling the fire.
The correct answer is A) participle. It is a past participle, used as adjective broken in this sentence.
I think the last revision is the answer, as both are independent of each other and tell us two separate clauses in the same sentence