I NEED IT ASAP WILL GIVE BRAINLEST How did the geographic location of ancient Greece influence its political structure?

The mountains, hills, and seas separated the Greek city-states and enabled them to set up a diverse political structure.
The rocky plains, valleys, and seas united the Greek city-states and enabled them to create a uniform political structure.
The plateaus, plains, and rivers separated the Greek city-states so forming a unified political structure was important.
The deserts, hills, and rivers encouraged the Greek city-states to set up a more stable political structure.