Question

which of the following best explains how the united states acquired alaska?
the united states claimed alaska after winning a war with russia.
the united states purchased alaska from russia for $7.2 million.
the united states purchased alaska from canada for two cents an acre.
the united states accepted alaskas petition to become a us territory.

Explanation:

The U.S. acquired Alaska through a formal purchase from Russia in 1867, paying $7.2 million, often called "Seward's Folly" at the time. No war was fought over it, it was not bought from Canada, and Alaska did not petition to join.

Answer:

The United States purchased Alaska from Russia for $7.2 million.