They argue because they do not know what they are talking about. There is no way possible they know what happened, the only way you truly know what happened in WWI is if you were in it.
To begin a civil lawsuit, a person might file a document with the Court explaining how they were injured and what remedy they would like to rectify that injury.
Limited government
A limited government is one whose legalized force and power is restricted through delegated and enumerated authorities and principles of the constitution. The United States is an example of such government as the state’s actions are limited by the constitution.
The Berlin conference was convened to divide the land of Africa among the European nations.