<span>The Bronze Age is the second part of the three-age system (Stone Age, ... which would make them the makers of the oldest known bronze; but others date the ...</span><span>
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Answer:
C or A
Explanation:
Trade is the reason for historical continuity also , not sure tho ?
I'm assuming it's due to the increased exploration by explorers in that time period. Explorers traveled new lands and imprisoned more people (slaves) to be used for labor in Europe and America.