All modern Vehicles have<span> internal steel beams in the door, which helps to protect the passenger compartment.
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Just a few decades ago, passenger cabins were particularly vulnerable to a crash, especially if this occurred from the side of the car.
Car manufactures have spent considering time, research and money into developing light-weight and ergonomic-friendly safety measures to protect passengers.
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Before the formation of city states, Mesopotamians were nomadic tribes who moved around following the herds of animals. They survived off the land and the wild grains and other things they could find. Essentially, they were like the European Native Americans.
I believe the answer is A but I'm not positive.
