Idaho Social Studies 9-12.WC.14

Social StudiesGrades 9–12Foundations of Western Civilization

The Standard

Analyze the reasons for the gradual decline of the Western Roman Empire after the Pax Romana.

Idaho Content Standards: K-12 Social Studies · Ancient Rome (c. 500 BC – 500 AD)

Teacher's field guide

What Students Need to Do: Students trace how civil wars, money problems, and pressure at the borders weakened the western empire over time. They use dated events to explain how these problems affected one another.
What Mastery Looks Like: A student places third-century civil wars and the sack of Rome in 410 in the right order. They explain how fighting for power used soldiers and money needed for border defense.
Common Misconceptions: Students may think the empire collapsed all at once in 476 or that one invasion caused its fall. They may also think the eastern empire fell at the same time.
How to Assess It: Exit ticket: How could civil wars make border defense harder? Use the third-century civil wars and one later event to support your answer.

Lesson moves

Give pairs dated cards for civil wars, inflation, and border conflicts; have them build a timeline and draw arrows between related events.
Ask, “How might a civil war leave a frontier less secure?” Have students name which troops or funds would be diverted.
Play cause-and-effect dominoes with cards for leadership struggles, tax strain, and border attacks; require an explanation before each match.
Hand out a mock city budget with falling revenue; ask what loses funding, then compare their choices with Rome's army costs.

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