In 1850s, the main occupation of the people arriving in Oregon and California is gold mining. Thus, the answer is letter B. In May of 1848, a newsletter proclaimed about the gold mines found in the lands and many people from the neighboring places flocked to the place.
Answer: The Renaissance, a vibrant period of European cultural, artistic, political and scientific “rebirth” after the Middle Ages, was led by people including Leonardo da Vinci, Michelangelo, Machiavelli and the Medici family. (As said by go.ogle...)
Explanation: Have a brilliant day of learning!-Lily ^-^
For more info go to https://w.ww.history.com
Brief oral descriptions and depositions