Answer:
established that all of humanity would be guarded by an international legal shield and that even a head of state would be held criminally responsible and punished for aggression and crimes against humanity
Many people believe the United States should of helped Germany after World War One. After WW1 the Treaty of Versailles created a great depression in Germany, because of the aggressive reparations. Many historians believe that the end of WW1 caused World War 2.
The US Army is the answer
The world became connected and the Hellenistic Period began. The geography expanded including Egypt, Greece, Persia, and a part of northern India. Hope that answers it.