John Bell is the answer from what i have read
hope its right:)
<span>480). WOR-3 Explain how the growing interconnection of the U.S. with worldwide economic, labor, and migration systems affected U.S. society since the late 19th century. Foreign trade became increasingly important to the American economy in the late nineteenth century. The nation's exports had totaled about $392 million ...</span><span>
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Its A , they saw Germany as the greatest threat. your welcome :)
The answer is he Unified China. Hope this helps!
I would say A primary source...