<P> The Alaska Purchase (Russian: Продажа Аляски, tr . Prodazha Alyaski) was the United States' acquisition of Alaska from the Russian Empire on March 30, 1867, by a treaty ratified by the United States Senate, and signed by President Andrew Johnson . </P> <P> Russia wanted to sell its Alaskan territory, due to the difficulty of living there, lack of natural resources (until later found out) and fearing that it might be easily seized if war broke out with the United Kingdom . Russia's primary activities in the territory had been fur trade and missionary work among the Native Alaskans . The land added 586,412 square miles (1,518,800 km) of new territory to the United States . </P>

Which country sold alaska to the united states