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Answer: Oregon Trail
Explanation: Hope it helps :)
There were not enough paid workers arriving from Europe quick enough to meet the demand, so they turned towards slave labor. A
Answer:
1901
Explanation:
The Spindletop oilfield, discovered on a salt dome formation south of Beaumont in eastern Jefferson County on January 10, 1901, marked the birth of the modern petroleum industry.
Crosby's focus on smallpox changed his and later historians' views toward ecological and. ... Disease, specifically smallpox and malaria, was the main reason Europeans conquered indigenous peoples. Horses and weapons provided advantages, but infectious disease did the most damage.