Westward Expansion And American Diversity

Lewis and Clark st Overland Expedition Meriwether Lewis and William Clark Meriwether LewisWilliam Clark The Goal was to gain an accurate sense of the resources being exchanged in the Louisiana Purchase.Louisiana Purchase

What was Achieved? Better sense of terrain West of Mississippi Natural Resources Established Native American Relations

Manifest Destiny th century American belief that the United States was destined to expand across the North American continent, from the Atlantic seaboard to the Pacific Ocean.

Effects of Manifest Destiny Continentalism All of Oregon – The Anglo-American Convention of 1818 had provided for the joint occupation of the Oregon Country, and thousands of Americans migrated there in the 1840s over the Oregon TrailAnglo-American Convention of 1818Oregon CountryOregon Trail Mexico and Texas – In 1836, the Republic of Texas declared independence from Mexico and, after the Texas Revolution, sought to join the United States as a new state.Republic of Texasdeclared independenceTexas Revolution

Oregon Trail Main overland migration routes leading from locations on the Missouri River to the Oregon CountryMissouri RiverOregon Country Great Migration of 1843 Mormon Migration

Santa Fe Trail 19th-century transportation route through central North America that connected Missouri with Santa Fe, New Mexico. MissouriSanta FeNew Mexico A vital commercial and military highway until the introduction of the railroad to Santa Fe in 1880railroad At first an international trade route between the United States and Mexico, it was the 1846 U.S. invasion route of New Mexico during the Mexican–American WarMexico Mexican–American War

California Gold Rush-1849 Gold discovered at Sutter’s Mill 300,000 people from the U.S. and abroad

Effects Created Government and Commerce Native Americans became victims of starvation and disease Anti-Foreigner laws were passed World wide economic stimulation

Mexico-U.S. War 1846 The Mexican–American War was an armed conflict between the United States and Mexico from 1846 to 1848 in the wake of the 1845 U.S. annexation of TexasUnited States Mexicoannexation of Texas