The treaty was considered by many to be overly harsh and punitive, particularly the reparations clauses that demanded Germany to pay exorbitant sums to the Allied Powers.
German resentment:
The treaty was widely unpopular in Germany and contributed to a sense of resentment and humiliation among the German population, which in turn led to a rise in nationalist sentiments and the eventual rise of Adolf Hitler and the Nazi Party.
Failure to prevent WWII:
The harsh conditions of the treaty are considered to have been one of the factors that contributed to the outbreak of World War II.