Answer:
The California Gold Rush sparked a movement west, which only further ignited manifest destiny. People saw the opportunity to stake a claim of their own and truly pursue the "American Dream" out west. This new discovery and the abundance of wealth to be had further solidified support of Polk's decision to move westward.
Explanation:
market economy? I think so at least I remember doing something like this last year
Technology advanced the economy and helped to create a new market
The answer is B. Obtaining food
