 Complete the following phrase:  When Russia failed to withdraw its troops from Manchuria by an appointed date, Japan issued a protest. Russia replied that it would agree to a partition of Korea at the thirty-ninth parallel, with a Japanese sphere to the south and a neutral zone to the north. But Manchuria was to be outside Japans sphere, and Russia would not guarantee the evacuation of its troops. Despite the urging of caution by most genro, Japans hardliners issued an ultimatum to Russia, which showed no signs of further compromise. The Russo-Japanese War broke out in February 1904 with Japanese surprise attacks on Russian warships at Dalian and Chemulpo in Korea, now called Incheon. Despite tremendous loss of life on both sides, the Japanese won a series of land battles and then decisively defeated Russias Baltic Sea Fleet renamed the Second Pacific Squadron at the 