Why was the purchase of Alaska beneficial to the US?

Because it became an important step in the United States rise as a great power in the Asia-Pacific region. Defeat in the Crimean War further reduced Russian interest in this region.

Explanation:

i believe that the answer to the question provided above is that  establishing smaller ethnic communities within larger communities  gives more chance for people to know each other more but this might lead to the  conflict between groups.

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