The fortified towns built by the mycenaeans gradually developed into what ?

The fortified towns built by the mycenaeans gradually developed into City states.

Explanation:

Mycenaean Greece was the final phase of the Bronze Age in Ancient Greece. They were more advanced and developed civilizations in mainland Greece forming Palatial states and cities. They were excelled in artworks and in writing works. The most important site was the Mycenaean site and it was named after the civilization was formed.

The states were full of palaces that were built in the rocky outcrops and hills. Based on their Fortification systems the wall was build in large size. Also, they build domestic-based buildings that used to be settled by the people.  That resulted in the cultural expansion of the Mycenaeans.