Oil was first discovered, on accident, in 1859 near Salina, Oklahoma. In 1907, Oklahoma produced more oil than any other territory or state and Oklahoma wasn't even a state yet.
Farming remained the the main economic activity. It moved west with settlement. Inventions, such as cotton gin, encouraged planters to grow even more crops.
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Answer:
bad boy/girl, no cheating
anwer is 1.
Explanation: