Ethnic tensions made the region vulnerable to conflict.
Grant and his Army of the Tennessee crossed the Mississippi River and drove the Confederate Army of Mississippi, led by Lt. Gen. John C. Pemberton, into the defensive lines surrounding the fortress city of Vicksburg, Mississippi.
One of the major impacts of the Concordat of Worms was that "<span>The pope recognized Henry V as the lawful emperor," since this brought to an end the major conflict that had existed between the Catholic Church and Emperors in the East. </span>
