Westward migration drew distinct groups, each with unique motivations:
The largest cohort. Midwestern soil exhaustion and Southern plantation dominance pushed families toward new arable land—Oregon, California, Great Plains.
Gold (California 1849, Colorado 1859, Black Hills 1874), silver (Nevada's Comstock Lode), copper. Boomtowns erupted; most miners left poor, but some struck wealth.
Open range suited cattle/sheep. Texas longhorn drives north; Wyoming, Montana territories became ranching empires. Barbed wire ended the open range by 1890.
Merchants, bankers, hoteliers, newspapermen followed settlers—supplying needs, financing claims, documenting towns. Many became civic leaders.
Germans, Scandinavians, Irish, Chinese, Mexicans, Eastern Europeans—fleeing poverty, persecution, or conscription. Homestead Act (1862) offered 160 acres for five years' improvement.
Together, they transformed Indigenous lands into the American West—through opportunity, conflict, and displacement.