Complex sentence: In the treaty of 798, the Franks acknowledged the Byzantine rights over the Slavs, but in the following years both Croatian Župans (dukes) and Roman communities realized the opportunity for winning a full independence from both Imerial powers.
Split into simpler sentences: In the treaty of 798, the Franks acknowledged the Byzantine rights over the Slavs. But in the following years both Croatian Župans (dukes) and Roman communities realized the opportunity for winning a full independence from both Imerial powers.