The treaty that gave the United States the Oregon Territory meant the US would have access to the Pacific Ocean. Why did Americans want to access the Pacific ocean?

1) how did the mexican american war ignite a conflict over slavery between the north and the south? 2) explain how agricultural and textile factories impacted the economic development of south carolina. 3) explain how the results of the 1860 presidential election and the issue of states rights influenced south carolina’s decision to secede from the union. you: )