D). Vast empires.
Classical civilizations developed vast empires, whereas early river valley civilizations did not.
From<u> trade and built ships to sail to as far as Egypt and Syria. </u>... In 1450 B.C. the Minoan civilization suddenly collapsed, some historians think undersea earthquakes caused giant waves that washed away the Minoans' cities.
Good Luck! Hope this helps luv!
Without the First Amendment, religious minorities could be persecuted, the government might well establish a national religion, protesters could be silenced, the press could not criticize government, and citizens could not mobilize for social change