As well as fulfilling “god’s will”, it would result in immense advancements for the country. Conquering Mexico would boost the U.S. economy. It would lead to the California Gold Rush, which brought over 300,000 people to California from around the world to mine gold. Economy was also boosted by the invention of the transcontinental train, as well as allowing businesses to begin in new territories where they could benefit from the west’s rich natural resources. Lastly, conquering Mexico would lead to a drastic change in American populations. Former Mexican citizens would be naturalized into Americans and new lands attracted immigrants from Europe and Asia, which led to a greater racial diversity in the U.S. The United States was justified for going to war with Mexico because it resulted in tremendous advancements for the