The correct answer is:
A-"Population Increased"
This is the correct answer because around the Neolithic revolution it was a wide-scale transition to many people and their cultures which making it a increased the Population as time went on
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Answer:
A duty is what you owe to your fellow human as a fact of nature, and an obligation is what has been imposed by contract or custom. Generally, one is “obliged,” or “obligated,” by agreement or because of having received a benefit. If you take candy from a store, you have an obligation to pay for it.
A republic is a confederation of independent state governments that form a large federal government. In a republic, the people choose who will govern them. These people are known as representatives. Thus answer 2 is correct.