This was also not a prolonged war (lasted about a year and a half). Japan had to commit all its forces to the (successful) campaign. Russia was forced to surren

This was also not a prolonged war (lasted about a year and a half). Japan had to commit all its forces to the (successful) campaign. Russia was forced to surrender due to internal conflict and a stagnant economy, but had much more manpower it could have sent to turn the tides.