Between 1820 and 1860, the visual map of the United States was transformed by unprecedented urbanization and rapid territorial expansion. These changes mutually fueled the Second Industrial Revolution which peaked between 1870 and 1914. Between the annexation of Texas (1845), the British retreat from Oregon country, and The Treaty of Guadalupe-Hidalgo (1848) which cemented the Mexican cession of the Southwest to the United States, territorial expansion exponentially rewrote the competing visions that free-soilers, European immigrants, industrial capitalists, and Native Americans held for the future of the American Empire.
ፍትህ ለሁሉም / Justice for All