The Peloponnesian War (431-404 B.C.E.) was a conflict between Sparta (Thebes and Corinth) and Athens (Delian League) The warfare began in the aftermath of the Greco-Persian War. Athens amassed great power and Sparta became increasingly jealous. The war led to the defeat of Athens. Athens was left without resources and humiliated. Sparta took over the Athenian state and its tribute revenues. For a time, Athenian democracy was suspended.
The term that describes the fact that owners of corporate shares or stocks do not risk anything beyond their original investment is called "limited liability" and means that they can't lose personal property.
The main strategy that Churchillsuggest for keeping peace and stopping the growth of Nazi power was to militarily engage Germany as soon as it became aggressive.