Marble cutters working on column shafts, east front of the Capitol, 1860.
Marble cutters working on column shafts, east front of the Capitol, 1860.
Traders opened the Santa Fe Trail from Missouri to the Southwest in 1822
Traders opened the Santa Fe Trail from Missouri to the Southwest in 1822
In 1839, African captives on the slave ship Amistad mutinied
In 1839, African captives on the slave ship Amistad mutinied
The cotton gin made large-scale production of cotton profitable, leading to the expansion of slavery
The cotton gin made large-scale production of cotton profitable, leading to the expansion of slavery