How did America change during the 1800s?

During the 1800s, America underwent significant changes, including territorial expansion through events like the Louisiana Purchase and the westward movement driven by Manifest Destiny. The industrial revolution transformed the economy from agrarian to industrial, leading to urbanization and the growth of factories. Social movements, including abolitionism and women's rights, gained momentum, challenging existing norms and advocating for equality. Additionally, the era was marked by conflict, notably the Civil War, which ultimately reshaped the nation's values and governance.