The answer is charcoal cooking fires.
The steam boat
The cotton gin and others
I think the answer is the first one
It's <span>American Indians on American settlers.
Hope this help you
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Answer: Hernán Cortés
Explanation: Hernán Cortés was a Spanish conquistador, or conqueror, best remembered for conquering the Aztec empire in 1521 and claiming Mexico for Spain. He also helped colonize Cuba and became a governor of New Spain
