What type of military defense seemed called for by the geography ancient greece?

Coastal forts. Greece is an archipelago, the coast line is so long it actually figures in the modern Greek flag.

Ancient Greece needed warriors with maritime knowledge,

(know about boats, navigation, fight in the sea, location through the stars, read maps)

Explanation:

because the geography of ancient Greece was limited in the south by the current Balkan peninsula and the islands and coasts of the entire Aegean Sea also extended to the south of present-day Italy and Sicily and other points of the Mediterranean coast.

I hope its help you

what are the choices?

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.