I believe it's "<span>the source of the Mississippi River."
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I think the correct answer is c
Tenochtitlan was the capital of the Aztec Empire. it was a busy and bustling city where there is daily more than 60000 souls, buying and selling and were are found all the kinds of merchandise produced in these countrys.
Answer:
They carried out mass executions.
They were known as mobilized killing units.
They were used by Germany during the invasions of Poland and the Soviet Union.
Explanation: