Sanford Ballard Dole (April 23, 1844 – June 9, 1926) was a lawyer and jurist in the Hawaiian Islands as a kingdom, protectorate, republic and territory. A descendant of the American missionary community to Hawaii, Dole advocated the westernization and destruction of Hawaiian government and culture. After the overthrow of the monarchy, he served as the President of the Republic of Hawaii until his government secured Hawaii's annexation by the United States.
Yes they did. They must have thought that the conflict over slavery will be solved through this civil war. You have to do the other part thouugh it is what would YOU do.