Germany launched an offensive through Belgium; Germany hoped to defeat France quickly and destroy the French armies. This would allow Germany to move troops east against Russia. The Belgians, however, held out heroically for nearly 3 weeks against the German army. This delay gave the French and British time to mobilize their forces. After defeating the Belgians, the Germans, March 9 of France in advance to within 15 miles of Paris. The German and French finally managed to stop the German advance at the Martin river just a few miles east of the city. *fought between September 5 and 12, 1914. *Saved Paris from the Germans and boosted French morale.