Complex sentence: The first walls to be built around Worcester were constructed by the Romans; these walls lasted beyond the fall of the Empire and the defences encouraged several early Christian foundations chose to establish themselves in Worcester during the troubled 6th and 7th centuries.
Split into simpler sentences: The first walls to be built around Worcester were constructed by the Romans. These early walls lasted beyond the fall of the Empire, and the defences encouraged several early Christian foundations to establish themselves in Worcester during the troubled 6th and 7th centuries.