Final answer:
Commodities in imperialism refer to goods and resources that were bought, sold, and controlled by imperialistic powers. The desire for valuable commodities drove the expansion and economic activities of countries during this period.
Step-by-step explanation:
Commodities in the underlined sentence refers to goods or products that are bought and sold. In the context of the surrounding sentences, the mention of trading with Japan, the purchase of Alaska, and the expansion of U.S. businessmen into Latin America all indicate the economic activities and resources that were involved in imperialism. These activities were driven by the desire to acquire and control valuable commodities such as timber, oil, and other natural resources, as well as to expand trade and investments.
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