Original sentence: Florence was very unstable, as a reult the Ghibellines seeked out an arbitrator in form of Pope Clement IV.The city’s numerous luxurious palazzi were surrounded by townhouses, built by the ever prospering merchant class of the republic
Edited sentence: The city’s numerous luxurious palazzi were becoming surrounded by townhouses, built by the ever prospering merchant class.The fragility of their rule caused the Ghibellines to seek out an arbitrator in form of Pope Clement IV