Original: 1867 & ndash ; Alaska is purchased from Russia for $ 7.2 million , about 2 cent\/acre ( $ 4.19 \/O/ km ) , by United States Secretary of State William H. Seward .
Simplified: 1867 - Alaska is purchased for $ 7.2 million , about 2 cent\/acre ( $ 4.19 \/O/ km ) , by United States Secretary of State William H. Seward .