What effect did persia have on greece?
a. persia kept the city-states united. economy.
b. persia was an important military strong-hold for greece.
c. persians trade was important to the greek
d. persia prevented sparta and athens from uniting.

d. Persia prevented Sparta and Athens from uniting.

The Persian conflicts were influenced the Greek city-states because they formed under the administration of Athens and were to nevermore again penetrate the Persian Armies.

One significant cause that classical Greece was controlled by small city-states and autonomous towns, rather than by one all-powerful leader. An ultimate purpose following the advancement of city-states was the Greek nobility, who worked to block any perpetual governments from working.

i really really really really really really dont know

the carthaginian general hannibal