The following common features can be found between the two wars:
1. The presence of a young, rapidly developing state (Japan in Russian-Japanese / Germany and Italy in World War I) and an old one trying to hinder the development of the former (Russia / France, Great Britain).
2. The actual reason for the war in both cases was the need for the young state to acquire new colonies to obtain resources and markets (Korea and China / Africa and Oceania).
The difference will be that in the Russo-Japanese War the young state, Japan, won, and in the First World War, the alliance of the old colonial powers of the Entente.
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