The correct answer is: "To take advantage of the many natural resources found in Siberia".
This was the main reason behind the construction of the Trans-Siberian Railway. It connected the European part of Russia with the provinces located in the far east.
During the first World War, Russia suffered a blockade from Germany and Turkey. As a consequence of this, the Trans-Siberian Railway gained massive importance as it was a way of communication and sourcing between Russia and its eastern allies.
