Answer:
3. the population decreased sharply from those taken in the slave trade and europeans taking harvests
Explanation:
The Inca. The Inca civilization ruled over 2,500 miles with almost 12 million people
The ancient Romans used their engineering skills to build aqueducts, bridges, roads, domed structures, the hypocaust heating system and any other building projects they undertook.
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The accomplishment that is not mentioned on Jefferson's tombstone is that he was the third president of the United States of America.