Final answer:
The battles during World War I had significant implications. The Meuse-Argonne Offensive led to the German surrender, the Battle of the Marne marked a turning point, and the Battle of Cantigny showcased the American troops' capabilities.
Step-by-step explanation:
The significance of the battles during World War I can be understood as follows:
Meuse-Argonne Offensive: This offensive marked the last major German offensive of the war and resulted in the German surrender in November 1918. It was also significant because it featured the most significant battlefield contribution by American troops.
Battle of the Marne: This battle was a major turning point in the war where the British and French troops stopped the German offensive, leading to a transition to a war of attrition with the establishment of defensive trenches.
Battle of Cantigny: This battle was the first American offensive in the war and demonstrated the American troops' ability to fight against the advancing German line. It convinced the French commanders of their capability and set the stage for future offensives.