However, after the Crimean War broke out in 1853, Russia was afraid that the Alaska colony would be taken away by Britain and proposed to sell Alaska to the United States. 1867 On March 30, the United States bought nearly1700,000 square kilometers of Alaska from Russia at a price of $7 million plus a handling fee of $200,000, with an average value of only two cents per acre.

Extended data:

Alaska has a vast territory, and the terrain fluctuates greatly, which leads to the diversification of the state's climate. The southern coast, southeast, gulf of alaska Island and Aleutian Islands have a temperate maritime climate, with an average temperature of 4 ~ 16℃ in summer, 4 ~-7℃ in winter and an annual precipitation of 1525 ~ 4065 mm.

Inland basin belongs to sub-temperate zone, which is drier and slightly colder than coastal area. The average temperature is 7 ~ 24℃ in summer and -7 ~-23℃ in winter. The average annual precipitation in Anchorage is 635 mm ... The arctic maritime climate along the Bering Sea coast and islands is 4 ~ 65438 06℃ in summer and -7 ~-23℃ in winter. The central plateau has a continental climate, with a summer temperature of 7 ~ 24℃, a winter temperature of -23 ~-34℃ and an annual precipitation of 255 ~ 510 mm.

Baidu Encyclopedia-Alaska