The Columbian Exchange connected the Eastern and Western Hemispheres by using same things like food, livestock, and crops.
Answer:evolutionary psychology
Explanation:
Evolutionary psychology focuses o those behaviors that are due to the traits that we inherited from our ancestors, one's territory was very crucial to protect by all means and this was a survival instinct from our ancestors. If they didn't protect their territory that means they would lose everything that they have built so this issue of not wanting to reverse out if someone is coming in your previous parking spot is an instinctive way of protecting one's own territory.
The answer is b
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It was believed that what was called a "quarantine" because a quarantine had less of a military connotation than "blockade".
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