As a result of the Persian Wars, the Greek cities of Anatolia were encouraged to join the Delian Confederacy, paying tribute to Athens in return for protection against the Persians.
The Persian Wars resulted in the Delian Confederacy paying tribute to Athens. 
mnli hypothesis: The Persian Wars resulted in the Delian Confederacy paying tribute to Athens.  premise: As a result of the Persian Wars, the Greek cities of Anatolia were encouraged to join the Delian Confederacy, paying tribute to Athens in return for protection against the Persians.