Chuck didn't quit up when Duke passed away because Duke's efforts were what had allowed Chuck to rise up again. He couldn't allow Duke's labor of love be for nothing. Chuck persisted in his efforts, and after a few weeks—as though in particular honor of Duke—he was named Assistant National Sales Manager. To honor Duke's memory, he was obligated to continue. No, Chuck carried on with his work and daily activities while Duke was by his side. He had come to understand the dog's profound love, commitment, and patience in helping him regain his footing, and he could not allow all of that work to be in vain.
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Because the "ICE AGE" wiped out a lot of the population out.!
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Answer: The correct answer is : Mayan
Explanation: The Mayans had a 365-day solar calendar, astronomers and mathematical experts. They planted in raised beds over the swamps. They had an advanced glyph writing system. The Mayans were very influenced by the Olmecs. In the social hierarchy of the Maya the nobles, painters, scribes, sculptors were highly respected, women rarely ruled on their own. the merchants formed the middle class, most were farmers.