Answer: it limited the power of the king and influenced later political thinkers.
States representation in Congress is the answer
Peloponnesian War, (431–404 bce), war fought between the two leading city-states in ancient Greece, Athens and Sparta. Each stood at the head of alliances that, between them, included nearly every Greek city-state.so Greece won the Peloponnesian war i think.
Different powers allowed the state government a certain level of independence for making decisions in term of what regulation should be created and which programs would benefit the citizens the most.
Not needing to get the federal government's approval will make these overall process much faster for the citizens.