Technological breakthroughs have enabled people to communicate, trade, and travel much more freely; the resultant erosion of what were once more impermeable national boundaries
is known as

answer; (cognitive   dissonance);

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.

what are the answer choices?

is there a year set? the question is incomplete