How did the physical geography of greece affect its development and political structure

the mountains caused isolated communities to form separate governments

Explanation:  

the peninsula was surrounded by water and mountains making it hard to expand and keeping them isolated.  communities remained small and close.  Because of this geography, the ancient city-states were formed

it is relaxation hope this

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."