The correct answer to this open question is the following.
Although there are no options attached we can say the following.
Natural barriers, like mountains or bodies of water, contributed to the development of different cultures throughout the city-states of Ancient Greece in that these ancient Greeks had to develop the knowledge and agriculture techniques to grow crops under difficult circumstances due to mountain ranges, rivers, lakes, and basically, the sea,
These ancient Greek people had to implement other resources in order to survive, as was the case of fishing and trade, exploring navigational routes to take their products to other regions.
City-states that were located inland, had to raise cattle and farm under different circumstances to grow and prosper.
Among the most important geographical features that existed in ancient Greece, we find the Aegean Sea and Mount Olympus.