 After the end of the war, the Japanese Navy brought back seven German submarines as prizes of war, which greatly contributed to future Japanese submarine design and development.In 1918, Japan continued to extend its influence and privileges in China via the Nishihara Loans.Following the Bolshevik Revolution in Russia, Japan and the United States sent forces to Siberia in 1918 to bolster the armies of the White movement leader Admiral Alexander Kolchak against the Bolshevik Red Army.