In 1905 U.S. President Theodore Roosevelt mediated peace. In the Treaty of Portsmouth both sides agreed to evacuate Manchuria and return its sovereignty to China. However Japan leased the Liaodong Peninsula (containing Port Arthur and Talien) and the Russian-built South Manchurian Railway in southern Manchuria with access to strategic resources.
In 1905 U.S. President Theodore Roosevelt mediated peace. In the Treaty of Portsmouth both sides agreed to vacate Manchuria and restore its independence to China. However, Japan leased the Liaodong Peninsula (containing Port Arthur and Talien) and the Russian-built South Manchurian Railway in southern Manchuria with access to vital resources.