Answer:Russo-Japanese War, (1904–05), military conflict in which a victorious Japan forced Russia to abandon its expansionist policy in East Asia, thereby becoming the first Asian power in modern times to defeat a European power.
Origins of the Russo-Japanese War
Russian Empire
Russian Empire
By the early 17th century, Russia had established its authority over all of Siberia, but its attempts to move southward were consistently blocked by China. Fully engaged in western Europe and against Turkey during the 18th century, Russia could not press its interests in East Asia. As the settlement of Siberia developed, however, it realized its need for outlets to the sea, and, because China continued to deny it access to the Amur region, it resorted to force toward the end of the reign of Emperor Nicholas I (1825–55).
Explanation:Therefore your answer is B