 Complete the following phrase:  In 907, the Hungarians destroyed a Bavarian army in the Battle of Pressburg and laid the territories of present-day Germany, France, and Italy open to Hungarian raids, which were fast and devastating. The Hungarians defeated the Imperial Army of Louis the Child, son of Arnulf of Carinthia and last legitimate descendant of the German branch of the house of Charlemagne, near Augsburg in 910. From 917 to 925, Hungarians raided through Basle, Alsace, Burgundy, Saxony, and Provence. Hungarian expansion was checked at the 