Presents an insightful and scholarly study of The Pfahlgraben, a historical barrier of the Roman Empire stretching between the Danube and the Rhine. This book provides a detailed analysis of the construction and defense of the fortifications, the historical background of its creation, and its impact on the broader Roman Empire. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.