How did sparta defeat athens at the end of the peloponnesian war?

The Peloponnesian Wars fought between Athens and Sparta and their respective allies came in two stages,  With battles occurring at home and abroad, the long and complex conflict was damaging to both sides but Sparta, with financial help from Persia, finally won the conflict by destroying the Athenian fleet at Aegospotami.

Sponge bob ate the crab

African americans at the time just came out of slavery and needed money to provide for there families. so they joined for the money mainly.