Symposium Summer 2021

Document Type


Creation Date

Summer 7-21-2021


United States, Mexico, Borderlands, Mexican American War, Texas, Lower Rio Grande Valley, Regional Importance, Regional History, Palo Alto Battle Field, TEKS, Public School, Place-Based Curriculum, Culturally Relevant Pedagogy


TEKS (Texas Essential Knowledge and Skills): 113.43 c 1) History. The student understands how geography and processes of spatial exchange (diffusion) influenced events in the past and helped to shape the present. The student is expected to: (A) analyze significant physical features and environmental conditions that have influenced the past and migration patterns and have shaped the distribution of culture groups today; (2) History. The student understands how people, places, and environments have changed over time and the effects of these changes. The student is expected to: (A) describe the human and physical characteristics of the same regions at different periods of time to analyze relationships between past events and current conditions; and (B) explain how changes in societies such as population shifts, technological advancements, and environmental policies have led to diverse uses of physical features over time such as terrace farming, dams, and polders.

ELPS: 1A - use of prior knowledge and experiences 1B - monitor language 2F – gist, main points, details 2I – listening comprehension 3E – share in cooperative groups 3H – narrate, describe, explain 4G – show comprehension individually or in groups 4K – analyze text 5B – use new vocabulary 5G – narrate, describe, explain in writing.

Lesson objective(s): 1. Students will understand how the demographics of the Rio Grande Valley changed after the start of the U.S.-Mexico War in 1846 and after the signing of the Treaty of Guadalupe Hidalgo in 1848. 2. Students will understand the importance of that the St. Louis, Brownsville and Mexico railroad had on the Rio Grande Valley demographics, economics, and politics and the overall changes that followed. 3. Students will be able to explain how the demographic changes led to changes in the type of industry (land speculation and a change to citrus) this railroad had on the Rio Grande Valley


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