Answer:
sorry but i can only find UK invention in that war, here are the information:
Representing the Japanese court was Itō Hirobumi, who opened negotiations with Russia to resolve the two countries' interests in East Asia. Because he thought that the Japanese army was not equal to Russia, he considered going to war with Russia as a low policy, only negotiating for Russia to control Manchuria and vice versa, Japan had full power in Korea. That was the surface policy of Japan at that time. Meanwhile on the world chessboard, Japan and Great Britain signed the Anglo-Japanese Alliance treaty in 1902. Britain, which considered Russia a rival, wanted to find a way to restrain the Russian navy from being able to fully utilize the ports. Pacific side such as Vladivostok and Lushun. By allying with Japan, Britain achieved its goal of limiting Russian expansion. In contrast, Japan also relied on Britain to neutralize other European powers that wanted to intervene to help Russia because no one wanted to provoke the British navy.
Explanation:
