Answer:
dramatic changes occurred in the way people lived
The force that attracts any two pieces of matter in the universe is called the gravitational force.
<h3>What is gravitational force?</h3>
Corresponds to the mutual interaction between two bodies in space, being attractive and not repulsive, allowing the translational movement of the earth and the movement of planets in orbit around the sun.
Therefore, the gravitational force was proposed by Isaac Newton, in an episode in which the physicist observed an apple falling from a tree, identifying the way in which gravity causes objects to be attracted to the center of the earth.
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For cities, mountains can be both a help and hindrance. Whilst mountains can be a barrier to trade and transport, they form a natural line of protection from invasion. Therefore, many ancient cities thrived when located near mountains, with the reduced risk of attack affording them time to grow and prosper
