A civilization is a group of similar people that are together for posterity. The establishment of a civiliation was caused by the tribal warfare of the stone age, the people did not want to live under constant fear of death, and thusly grouped together, built up the militarty and eventrall progressed into what we have today
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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They sent troops over to China to subdue them
