 Complete the following phrase:  In 1385, Zürich, Zug and Lucerne attacked several Habsburg strongholds and in the following year Lucerne entered into alliances with several Habsburg cities in an attempt to pull those cities into Lucernes sphere of influence. In response, Leopold III of Austria gathered an army and prepared to invade the Confederation. After a minor battle, a short-lived armistice was declared, but by early July 1386 the Habsburg army was on the move toward the Lucerne city of Sempach. On 9 July 1386 a Confederation force from Lucerne, Uri, Schwyz and Unterwalden met the Austrian army in the 