Answer:
D-Athens's location made it difficult to attack, forcing the Spartans to destroy farmland and crops.
Explanation:
Athens was located on a hill behind walls. Sparta had to draw them out from behind the walls. The Spartans destroyed the crops and farmland.
Through an efficient system of communication and a rapid transit of military and government personnel. the well-maintained roads helped the transit however later they established staging post equipped with fresh horses to carry out the kings messages through out their land.
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Black powder because without it, we'd have no guns/canons to use as weapons.
