Answer:
They feared that the rigidity of the treaty in relation to Germany would stimulate a feeling of revanchism and caused Germany to attempt some kind of retaliation that would stimulate another war.
Step-by-step explanation:
The peace treaties made in the two world wars penalized Germany, for having started and lost both wars. The peace treaty at the end of the first war penalized Germany very harshly and severely. This provoked a feeling of revanchism in the German population, which wished to take revenge on the winning countries. This feeling of revanchism was what stimulated the establishment of the second world war, which caused greater and more impactful damage. For this reason, during the drafting of the Second World War peace treaty, the United States and England feared that Germany would be punished with very severe penalties, for fear that this would stimulate the creation of yet another war.