A dutie is something that must be done, A responsibility is something that should be done but is not required.
For example, Our duties as citizens is to pay our taxes. But our responsibilities as citizens is to vote.
Hope this helped.
Answer:
<u>D. Slaves were treated humanely on the sea journey to the Americas to make sure the maximum number survived.</u>
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A. It brought them domestic animals they had never seen before.
