The correct answer is C. Russia gaining control over colonies including Finland and Poland.
Step-by-step explanation
The agreement signed between Russia and Germany was the Brest-Litovsk Peace Treaty. The main objective of this agreement was the withdrawal of Russia from the conflict of the First World War and the renouncement of the domination of several Eastern European countries such as Finland, Poland, Lithuania, Ukraine, Estonia, among others. On the other hand, this originated due to the poverty that was perceived by the population of Russia, which caused that the tsarist regime lost legitimacy, later, after the October Revolution at the head of the Bolsheviks, the negotiations started with the characteristic of the anti-war position of Rusia, influencing the final outcome of the agreement. So, the correct answer is C. Russia gaining control over colonies including Finland and Poland.