The correct answer would be D., Charles Darwin because he was the on who made major discoveries about evolution.
The economic factors were desires to find new markets for trade. By extending colonial power throughout the world, the US would have new trading partners and markets.
I would actually say D.
With the industrial revolution, the amount of crops being produced actually wasn’t having too much work being put into producing those said crops. So it would actually encourage more people to become farmers because less work for more money is definitely something that most people would want to go for.
I hope this helps, have a great rest of your day!
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