Germany lost World War I. In the 1919 Treaty of Versailles, the victorious powers (the United States, Great Britain, France, and other allied states) imposed punitive territorial, military, and economic provisions on defeated Germany. In the west, Germany returned Alsace-Lorraine to France.
<span>France wanted to break the power of the Catholic Hapsburgs monarchs, who ruled in Spain, Austria, and the Holy Roman Empire. So, the helped the Protestants... :)</span>