Due to its positioning in the South Pacific Ocean, it is frequently hit by typhoons between December and March. Rose Atoll, located in American Samoa, is the southernmost point in the territory of the United States. American Samoa is home to the National Park of American Samoa. Official protest to naming of neighboring Samoa - The United States Department of State background Note web page for neighboring Samoa notes that "in July 1997 the Constitution was amended to change the country's name from Western Samoa to Samoa (officially the "Independent State of Samoa"). Western Samoa had been known simply as Samoa in the United Nations since joining the organization in 1976. The neighboring U.S. territory of American Samoa protested the move, feeling that the change diminished its own Samoan identity. American Samoans still use the terms Western Samoa and Western Samoans." 15 - Territorial claim by Tokelau nationalists. Swains Island is claimed by supporters of independence for Tokelau as part of that country. Swains Islanders and Tokelauans enjoy linguistic and cultural affinities. Tokelauans refer to Swains as Olohega. In 2006 and 2007, unsuccessful, United Nations -sponsored referenda on independence for Tokelau, currently administered by New Zealand, revived a dormant source of tension. The American and New Zealand governments are not concerned to pursue any change of territorial status over the Swains Island issue. However, the existence of a clause in a draft independence treaty espoused by United Nations -driven Tokelauan nationalists is a matter which will be a potential source of diplomatic tension.