Answer:
Serfs worked for their lord's protection, and enslaved persons had no protection.
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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Explanation:
African Americans came back as liberators
Women worked when the men fought
Japanese Americans were sent to internment camps, wrongfully suspected as potential traitors
Timbuktu was a place where ideas were shared and quickly became a center for learning.