What was the first major battle of World War I that used trench warfare?

The Battle of Ypres or Battle of the Marne

Explanation:

The Battle of Ypres took place in Ypres, Belgium, and started on April 22, 1915. This was the first major battle to take place in World War 1. In this battle, Germany used mustard poison gas to suffocate the Allied Powers. This is one of the main reasons this battle was so significant. CREDIT: arcgis.com

In the wake of the Battle of the Marne—during which Allied troops halted the steady German push through Belgium and France that had proceeded over the first month of World War I—a conflict both sides had expected to be short and decisive turns longer and bloodier, as Allied and German forces begin digging the first trenches. CREDIT: History.com

overview:

this is a technology-dependent lesson that students can guide at their own pace of exploration and learning. students share what they learn through the use of twitter (or alternative classroom sharing medium like todaysmeet). the use of a social sharing platform like twitter gives students a place for sharing with a wider audience, for more effective means of communication with each other, for incorporating viewpoints from all students in the classroom, and a means to reference thinking and learning by the use of a hashtag at a later time. students will understand the role the allied air forces played in the normandy invasion. teachers can use this as a stand-alone lesson or offer more structure by guiding students through each source, one by one. teachers may learn more about the eighth air force by accessing the abmc’s strategic bombing campaign interactive.

a) it is located in central mexico.