Quan niệm về trẻ em và sự phát triển tâm lý trẻ em

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; repetitive thoughts; ritualistic behaviors;

answer; ///(3) three parts;

answer; the changing age structure of the population;