Main article: American national focus tree Also in its territories is the Panama Canal, which is used to transit ships.Īmerican national focus tree. Just like these neighbours, the US has both Atlantic and Pacific coastlines, with Florida in the southeast of the nation just over Cuba, and the Aleutian Islands of Alaska in the northwest, very close to the USSR. Bordering to the north and east via Alaska is the Dominion of Canada, a British dominion, and the south borders Mexico. The United States of America is a vast nation in central and north North America.