To what extent was the Anglo Japanese alliance of 1902 responsible for japan's victory in the war against Russia?

The Anglo-Japanese Alliance of 1902 significantly contributed to Japan's victory in the Russo-Japanese War by providing diplomatic support and deterring Russian expansion in Asia. It allowed Japan to secure its interests and focus on military campaigns without fear of British intervention. Additionally, the alliance helped Japan gain intelligence and logistical support, enhancing its military effectiveness. Overall, while Japan's own military strategies and modernization were crucial, the alliance played a vital role in shaping the geopolitical landscape that facilitated its success.