What was a treaty Benjamin Harrison signed?

President Benjamin Harrison signed the Sherman Antitrust Act in 1890, which aimed to combat monopolies and promote competition in the marketplace. Additionally, he was involved in the signing of treaties related to the annexation of Hawaii and the establishment of trade relations with various countries, including the 1891 treaty with the Hawaiian Kingdom. However, the Sherman Antitrust Act remains one of the most significant pieces of legislation associated with his administration.