the german army was limited to 100,000 men, and conscription was banned meaning all soldiers had to be volunteers.
the german navy were limited to having 6battleships and no submarines.
germany were not allowed to have an air force, and the armed forces could not have any armoured vehicles, heavy artillery, or gas
german troops were not allowed in the rhineland, and no borderfortifications could be built, whilst an allied army would be stationed there until 1935, meaning germany was vulnerable to invasion