Alaska was the first to be acquired by the United States during the period of 1865 to 1900.
An Imperial Russia flag was lowered on October 18, 1867 at an army base in eastern Alaska. In return, a US flag was hoisted to mark Alaska's transition from Russian to American ownership.
The United States of America purchased one and a half square miles of wildlife for 4 cents per unit. This later turned out to be one of the smartest American transactions in history. Then, Secretary of State William Seward negotiated the purchase of the territory, which many considered to be a land of ice and snow, and called the transaction deal "Seward's follies."
It was then discovered that Alaska had vast natural resources.
The multiple choices were missing, but they probably refer to these:
In that case, B is the correct option.
Learn more about Alaska here: https://brainly.com/question/24919986.
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