Answer: There's less money in circulation; there are plenty of goods but no demand so prices drop.
The Gold Rush of 1848 negatively impacted the Native Americans. The Gold Rush caused large swaths of gold-seekers to settle in the Midwest and West--causing disruption.
The right to bear arms is not the whole thing. In fact if you read it it is quite self explanatory. The second amendment states "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear arms, shall not be infringed." So the right to bear arms is so we can have a well organized militia.
The Plessy ruling allowed segregation which the Warren Court declared treated whites and blacks differently.
