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 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.
If you’re confused as to why World War I happened, you’re not alone. Historians have been debating why sectional tensions escalated into a World War since the 1920s. Many scholars believe that the origins of the Great War (28 July 1914 – 11 November 1918) lie in the arms race between Germany and Great Britain… MORE