Respuesta :
The origin of the 1905 revolution ran back to the recently-concluded Russo-Japanese War, in which Japan placed a serious check on Russia's power to expand in East Asia. Many Russians saw this outcome as a source of humiliation, and supported an effort to remove the Tsar as a result.
Answer:
Russo-Japanese War
Explanation:
The Russian Revolution of 1905 stands out as a major event in the story of world history. This revolution was the result of previous events that shaped and affected global societies. Its origins can be traced to the Russo-Japanese War and its impact on Russia, Japan, and the world.