Answer:
elevated trains and skyscrapers made of steel
Answer:
The Minoan and Mycenaean civilizations were maritime or sea-going and trading economies. The Mesopotamian civilizations were primarily land locked and dependent upon agricultural economies along with land based trade routes.
Answer:
By issuing the Declaration of Independence, adopted by the Continental Congress on July 4, 1776, the 13 American colonies severed their political connections to Great Britain.
Explanation: