First, Columbus was sent on an expedition during which he discovered the Americas. Afterwards, he brought back settlers and animals.
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The Columbian Exchange caused population growth in Europe by bringing new crops from the Americas and started Europe's economic shift towards capitalism. Colonization disrupted ecosytems, bringing in new organisms like pigs, while completely eliminating others like beavers.
The syphilis study at Tuskegee was the influential event that led to the HHS Policy for Protection of Human Subjects.
The election of Lincoln.
The syphilis study at Tuskegee was the influential event that led to the HHS Policy for Protection of Human Subjects.
West Germany joined NATO