Preliminary Design for a New Dome, by Thomas U. Walter, 1855
Preliminary Design for a New Dome, by Thomas U. Walter, 1855

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

Mid-Atlantic and Northern states had abundant natural resources for industrial power and production.
Mid-Atlantic and Northern states had abundant natural resources for industrial power and production.
