After Athens's surrender, which regime did Sparta support there?
A Persian monarchy ruled by Darius III
The restored citizen Assembly with unrestricted powers
A century-long democracy led by Pericles
The oligarchic Thirty Tyrants✓Correct answer
Explanation
Sparta backed the short-lived oligarchy remembered as the Thirty Tyrants after Athens's defeat. It was not a restoration of the full citizen Assembly, and its brief rule did not span the entire century.