How did the Goldrush contribute to the motivations of Westward Expansion?

The gold rush propelled the expansion and settlement of the western United States on a massive scale. ... This action led to Mexico to declare war on the United States, starting the Mexican-American War. forty-niners: people, especially prospectors, who went to California in 1849 during the gold rush.

all cities have a governor

all cities are in states or provnies then country

all cities have people

difference

some are rich

some are poor

some are average