location: united states

the Louisiana purchase in 1803 doubled the u.s size, led to the Lewis and Clark expedition, and fueled westward expansion, impacting native American relations,

location: southern united states

the Indian removal act of 1830 led to the forced relocation of native American tribes, resulting in the trail of tears, and was driven by president Andrew Jackson's policies and the ongoing westward expansion.

no location:

around the time of the Lewis and Clark expedition (1804-1806) the Louisiana purchase occurred in 1803, and president Thomas Jefferson commissioned the expedition to explore the newly acquired territory

location: the Oregon trail began in independence Missouri, and ended in Oregon city

around the time of the great migration via the Oregon trail ( 1840s) manifest destiny was a diving ideology, Texas was annexed in 1845, the Mexican American war occurred (1846-1848) and the California gold rush begun in 1848.

location: Sierra Nevada, northern California

around the California gold rush (1848-1855)

the Mexican American war ended California was admitted as a state in 1859 and there was rapid population growth and infrastructure development.

location: united states

around the homestead act in 1862 the American civil was ongoing the emancipation proclamation was issued and the pacific railway act and Morrill land grant acts were passed.

location: the u.s. census bureau

around 1890 the wounded knee massacre happened the Sherman antitrust act was passed, and the populist party was gaining momentum.