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.
I would belive the answer is no
Answer:
The U.S. Constitution uses federalism to divide governmental powers between the federal government and the individual state governments. The Tenth Amendment tells us that all powers not granted to the federal government are reserved to the states