Texas TEKS 8.8.B

Social Studies8th GradeHistory

The Standard

explain the central role of the expansion of slavery in causing sectionalism, disagreement over states' rights, and the Civil War

Texas Essential Knowledge and Skills for Social Studies

Teacher's field guide

What Students Need to Do: Students trace how efforts to allow or restrict slavery in western territories divided the North and South. They connect those disputes to federal and state power, party breakdown, secession, and war.
What Mastery Looks Like: A student can explain the cause-and-effect chain using events such as the Missouri Compromise, Kansas-Nebraska Act, Dred Scott decision, and election of 1860. They explain that states’ rights claims largely focused on protecting slavery.
Common Misconceptions: Students may treat states’ rights or tariffs as separate causes without asking which rights leaders wanted to protect. They may confuse ending slavery where it existed with stopping its spread west. They may also assume regional conflict began only after Lincoln’s election.
How to Assess It: Exit ticket: “Why did conflict over slavery in western territories lead to secession and war?” Require a three-step cause chain and two named examples.

Lesson moves

Give pairs event cards for major compromises, court cases, violence, and secession, then have them build and defend a cause-and-effect chain.
Have students answer the prompt, “Which conflict over western territory most pushed the sections apart, and why?” using two named pieces of evidence.
Play a four-corner review: read an event, and students move to its result, compromise, violence, court ruling, or secession.
Compare an 1860 enslaved-population map with cotton production and election maps, then write how regional interests shaped political positions.

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