 Complete the following phrase:  Amalie Elisabeth remained allied with France and Sweden and committed the army of Hesse-Kassel to their cause until the end of the war. In 1641 Hessian troops fought alongside the French and Swedish armies. Together they won a pyrrhic victory in the Battle of Wolfenbüttel. In January 1642, Hessian forces assisted the French army under the Comte de Guébriant in winning a decisive victory at the Battle of Kempen, strengthening the allied position along the Rhine. Later that year, the Swedish attempted to relieve a Hessian force under siege in Dorsten, where Amalie Elisabeth had once held court, but they were too late, and Dorsten fell to Imperial forces in September. Two Hessian cavalry regiments fought alongside Swedish Field Marshal Lennart Torstenssons forces at the 