The most accurate description of how Hawaii became a part of the U.S. from your options is:
The U.S. annexed Hawaii for its economic value and strategic location for the U.S. during the Spanish-American War.
Hawaii was annexed by the United States in 1898, primarily for its strategic military location and economic interests, particularly in sugar production. The annexation occurred shortly after the Spanish-American War, during which the U.S. sought to expand its influence in the Pacific.