Complex sentence: On 10 April 1945, as General of Panzer Troops, Wenck was made the commander of the German Twelfth Army located to the west of Berlin to guard against the advancing American and British forces on the Western Front.
Split into simpler sentences: On 10 April 1945, as General of Panzer Troops, Wenck was made the commander of the German Twelfth Army located to the west of Berlin. The Twelfth Army was positioned to defend against the advancing American and British forces on the Western Front.