Grade 4 Spring — US National Geography and Westward Expansion (1803–1890): Whose Land, Whose Story, Whose Future?
History · CHR G4 (D2.His.1-3.3-5; D2.His.5.3-5 causation; D2.His.14.3-5 continuity/change; CA HSS 5.8 G5 entry; TEKS 5.2 G5 entry) hist.g4.s.chr.westward_expansion_chronology

Construct a 1803–1890 westward-expansion chronology with parallel bands showing continuous Indigenous presence and enslaved-people-brought-west events

Construct the unit chronology strip (MG-4) showing 1803–1890 with year-tick labels and event annotations at Louisiana Purchase 1803, Lewis & Clark 1804–1806, Indian Removal Act 1830, Trail of Tears 1830s–1850s, Texas Revolution 1836, Mexican-American War 1846–1848, Treaty of Guadalupe Hidalgo 1848, Gold Rush 1848–1855, Homestead Act 1862, Pacific Railway Act 1862, Transcontinental Railroad 1863–1869, Promontory Summit 1869, Page Act 1875, Chinese Exclusion Act 1882, Dawes Act 1887. Construct PARALLEL BANDS showing (a) continuous Indigenous presence across the whole period and before and after; (b) enslaved-people-brought-west events (Missouri Compromise 1820, Fugitive Slave Act 1850, Dred Scott 1857). Use BCE/CE convention (already used in G3); use 'time immemorial' for the upper band. Vocabulary: chronology, parallel band, time immemorial, before/after, causation, sequence.

Mastery threshold
80%
Min instances
10
Typical minutes
50
Spaced intervals (days)
1, 3, 7, 14, 30, 60
Common misconceptions
  • Treating Westward Expansion as starting in 1803 (it overlaid land where Indigenous nations had lived since time immemorial)
  • Treating 1890 as the 'end' of Indigenous history (it is one historical marker; Indigenous nations continue today)
  • Sequencing errors (Trail of Tears predated Gold Rush; both predated Transcontinental Railroad)

Exercise pool (4)