What ancient egyptian contribution had the greatest impact on later civilizations?

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.

answer; control group;

answer; exaggerate what you believe is the deception and state it, hoping that the other will jump in to "correct" the statement;

answer; health-related quality of life;