Answer: All of the above.
Explanation:
All of these were part of the agreement, and Hitler broke all of them.
One thing was that Seas were sometimes difficult to navigate which limited communication - D. this was already a factor which limited the possibility of one united Greece emergin because it made it very difficult to talk to these isolated islands that couldbe found through the difficult-to-navigate seas.
Another thing was that C - some city-states were located on isolated islands.
I think that it’s c because I think so
