Final answer:
The purchase of Alaska from Russia provided the United States with valuable natural resources and strategic military advantages, while also contributing to the economy.
Step-by-step explanation:
The benefits of purchasing Alaska from Russia are numerous. One of the primary reasons was the vast natural resources that Alaska possessed, including gold, timber, and oil. This acquisition also expanded the territorial size of the United States and provided a strategic location for military purposes. Additionally, Alaska has played an important role in the economy, especially in industries such as fishing, tourism, and oil exploration and production.
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