When the Russian lost the war, dissident groups started to question the power and authority of the Russian Czar, which resulted in the Russian Revolution. The Russo-Japanese War was seen more as the downfall of a western power, rather than the rise of an Eastern power. With that, the internal conflict and turmoil in Russia forced the country to become communists.
The Japan initially wanted the Americans expelled from their however, Perry, the American head of the troop was very persistent that after several negotiations, the Japan was made to sign the "Treaty of Kanagawa" on March 31, 1854. The treaty guaranteed that the Japanese will be the one to repair shipwrecked Americans that provides food, coal, water and other needs of the ships that docked in Nagasaki. This forced labor had affected the economy of Japan greatly. It heightened the inflation brought by the foreign money entering Japan disrupting Japan's currency.
A huge demand for tobacco was in Europe. It was the also only cash crop that thrived in the hot and humid climates.