Urban areas developed subways, elevated trains, and streetcar systems because if all commuters rode in cars it would cause traffic jams and major traffic. It made it easier for people to move around in bigger cities.
Answer: Many weapons were made with bronze, including swords, daggers and axes. More advanced weaponry enabled the Sumerians to become a powerful, warring force
Drought and damage to farm land.
Answer: The constant taxes put on the colonists in America
Explanation:
