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.
To supply the Vietcong during the Vietnam War.
Xkan kamu x kenal die tu Sape,die terkenal kot
The goal was to gain wealth for themselves and their country and to convert natives to Christianity