What type of changes occurred while people were mining

i would say your answer would be the second option.

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byzantine empire is the answer i think you are looking for.

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no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.

the structure was most likely used for;

c. playing a ball game with stone hoops