(A) It made the country a dominant imperialistic force.
(B) ** The land was rich in timber, gold, and oil.
(C) The region set up an extensive trading network.
(D) It established thousands of square miles of national forests.
EXPLANATIONS BELOW
Concept note-1: -The purchase of Alaska in 1867 marked the end of Russian efforts to expand trade and settlements to the Pacific coast of North America, and became an important step in the United States rise as a great power in the Asia-Pacific region.
Concept note-2: -In modern terms, the cost was equivalent to $140 million in 2021 dollars or $0.39 per acre. Reactions to the purchase in the United States were mostly positive, as many believed possession of Alaska would serve as a base to expand American trade in Asia.
Concept note-3: -Alaska became the 49th state on January 3, 1959, and is now recognized for its vast natural resources. Today, 25 percent of America’s oil and over 50 percent of its seafood come from Alaska.
Concept note-4: -As Alaska had nearly 586, 400 square miles, the cost was only about two cents per acre. Alaska ultimately proved to be rich in natural resources of timber, coal, copper, gold, and oil as well as salmon and furs.
Concept note-5: -Prints and Photographs Division. On March 30, 1867, the United States reached an agreement to purchase Alaska from Russia for a price of $7.2 million. The Treaty with Russia was negotiated and signed by Secretary of State William Seward and Russian Minister to the United States Edouard de Stoeckl.