The correct answer is C.
The Treaty of Versailles was signed in 1919 after WWI, by the victorious allied powers and Germany. Germany was considered guilty for all the losses beared due to the conflict and was oblied, through this treaty, to pay economic reparations to some of the victorious Entente powers.
Germany was also forced to delimitarize and to keep its armed forces and weapon production at a minimum, to guarantee that they were uncapable of undertaking an offensive action again.
