The 1848 discovery of gold in California set off a frenzied Gold Rush to the state the next year as hopeful prospectors, called “forty-niners,” poured into the state. This massive migration to California transformed the state's landscape and population.
The main reason why the Framers of the Constitution included the amendment process was because "A.)They wanted to provide a way to change the Constitution as the country changed," since they new that a "rigid" document would lead to disaster.
