Which best describes Sanford Dole’s role in achieving US annexation of Hawaii? A. He was appointed territorial governor.
B. He led the committee to overthrow the monarchy.
C. He owned one of the largest pineapple plantations.
D. He took the side of the monarchy against the government.

The answer is option B "He led the committee to overthrow the monarchy"

Explanation:

Sanford Ballard Dole (April 23, 1844 – June 9, 1926) was a legal advisor and legal scholar from the Hawaiian Islands as a kingdom, protectorate, republic, and domain. A relative of the American evangelist network to Hawaii, Give upheld the westernization of Hawaiian government and culture. After the oust of the government, he filled in as the Leader of the Republic of Hawaii until his administration made sure about Hawaii's annexation by the US.