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CLASSROOM ACTIVITY

Mapping a campaign

Step through a campaign on the atlas's playback map, then annotate a map of your own with its turning points.

Grade band
Middle / high school
Duration
40–50 minutes
Materials
  • A projector, or one device per small group, with internet access
  • The Eastern Theater campaign page on The War Atlas (linked below)
  • This handout, printed (it includes space to mark the turning points)
  • Colored pencils or markers

Free to print & photocopy for classroom use · CC BY 4.0

A campaign is not a single battle — it is a sequence of them, linked by the decisions that connect one to the next. The atlas renders that sequence as an interactive playback map: a route that advances phase by phase, lighting up each turning point in turn. In this activity students step through one campaign on the map, then rebuild it as an annotated map of their own.

We use the Eastern Theater Decision Chain of the American Civil War, which the atlas traces across four moments: the opening at Fort Sumter (1861), the check of the Maryland invasion at Antietam (1862), the end of Confederate offensive momentum at Gettysburg (1863), and the surrender at Appomattox (1865).

Steps

  1. Open the Eastern Theater Decision Chain page and find the playback controls. Step through all four phases in order, watching how the route advances across the map and which point lights up at each stage.
  2. On your printed handout, mark and label each of the four turning points in sequence. Write the year beside each one: 1861, 1862, 1863, 1865.
  3. For each turning point, write one sentence answering what changed here?Start from the phase label on the map, then open that point’s linked battle page and add one concrete detail from it.
  4. Draw an arrow from each point to the next. On each arrow, note what connected the two — an advance, a retreat, a shift in who held the initiative.
  5. Answer the sequence-and-causation questions below using your annotated map as evidence.

Discussion questions

  • The map shows four moments spread across four years. What happened betweenthem that the map doesn’t show — and why might a campaign map leave those gaps out?
  • Antietam (1862) comes before Gettysburg (1863). How did the first change the situation the second was fought in?
  • The atlas calls this a “Decision Chain.” Does the order of these four points feel like a chain of cause and effect, or like a set of separate events? Argue from what you see on the map.
  • The route ends at Appomattox — a surrender — rather than at a battle. What does ending there instead of at a fight tell you about how this war concluded?

Teacher notes

The feature this exercises: the campaign playback map — a scrubber that steps a route through dated phases, each linked to a full battle page for the detail students add in step 3.

An honesty caveat worth teaching: the atlas labels this route “medium confidence” and notes on the page that it should be read as theater progression, not a day-by-day army track. Teach the line as the shape of the campaign, not a GPS trail — that limitation is itself a good lesson in what a map can and cannot claim.

Format: works as a projector-led whole-class walkthrough or a one-device-per-group activity. If you have a wall map or blank base map of the eastern United States, students can annotate that instead of the handout.

Grade-band note: written for middle and high school. For younger students, pre-print the four labels and have them place the events in order; for high school, have each group add a fifth turning point of their own choosing from elsewhere in the war and defend why it belongs on the chain.