The terms of the Treaty of Versailles were announced in May , and in June Germany was forced to sign the contract by which , among other terms , the army was limited to one hundred thousand men with an additional fifteen thousand in the navy . The terms of the Treaty of Versailles were announced in May , and in June Germany was forced to sign the treaty which , among other terms , imposed severe constraints on the size of Germany 's armed forces . The army was limited to one hundred thousand men with an additional fifteen thousand in the navy .