Question: The Battle of Gettysburg and Meuse-Argonne Offensive are both battles fought during what? 
Sentence (from "Meuse-Argonne Offensive"): The Meuse-Argonne Offensive, also known as the Maas-Argonne Offensive and the Battle of the Argonne Forest, was a major part of the final Allied offensive of World War I that stretched along the entire Western Front.
Relevant evidence: Yes