Final answer:
The Russo-Japanese War of 1904-1905 was significant due to Japan's victory over Russia, showcasing Japan's industrial and military power, and the subsequent impact on global perceptions and U.S. involvement.
Explanation:
The Russo-Japanese War of 1904-1905 was significant as it marked the first instance of an Asian nation defeating a European power in the modern era. The war showcased Japan's military and political power stemming from industrialization, leading to Russia's tarnished image globally. The peace treaty ending the war, negotiated in the U.S., highlighted the rising importance of American interests in East Asia.
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