The Civil War: Causes and Conflict

Active learning works because the Irish Civil War’s divisions are best understood through direct engagement with arguments, perspectives, and consequences. Students need to move beyond textbook summaries to grapple with the human elements of this conflict, where former allies became adversaries over constitutional choices. Hands-on activities transform abstract political divides into tangible, memorable learning experiences.

• 6th Year
• Voices of Change: Ireland and the Wider World
• 4 activities
• 35 min–50 min

Learning Objectives

1. Explain the specific clauses of the Anglo-Irish Treaty that caused division within the republican movement.
2. Compare the core political and ideological motivations of the pro-Treaty and anti-Treaty factions.
3. Analyze primary source documents to identify differing perspectives on the legitimacy of the Treaty.
4. Evaluate the immediate and long-term impacts of the Civil War on Irish political party development.
5. Synthesize information to construct a narrative explaining the escalation from political disagreement to armed conflict.

Formal Debate

⏱ 35 min·Pairs

Debate Pairs: Treaty Arguments

Pair students as pro-Treaty or anti-Treaty advocates. Provide source cards with quotes from Collins and de Valera. Pairs prepare 2-minute speeches, then switch roles to rebut, recording key points on shared charts.

Prepare & details

Explain why the Anglo-Irish Treaty led to such a deep division among former allies.

Facilitation Tip: During the Debate Pairs activity, assign roles explicitly and provide students with a debate framework to ensure structured, respectful exchanges.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

• Analyze
• Evaluate
• Create
• Self-Management
• Decision-Making

Formal Debate

⏱ 45 min·Small Groups

Timeline Stations: War Escalation

Set up stations with events like Four Courts attack and executions. Small groups add cards, images, and impacts to a class timeline, then present one segment. Rotate stations twice for full coverage.

Prepare & details

Compare the motivations of the pro-Treaty and anti-Treaty sides.

Facilitation Tip: At Timeline Stations, circulate with guiding questions that push students to explain cause-and-effect relationships between events.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

• Analyze
• Evaluate
• Create
• Self-Management
• Decision-Making

Jigsaw

⏱ 50 min·Small Groups

Jigsaw: Side Perspectives

Divide class into expert groups on pro-Treaty or anti-Treaty motivations. Experts create posters with evidence, then jigsaw into mixed groups to teach and compare views through discussion.

Prepare & details

Analyze the impact of the Civil War on Irish society and politics.

Facilitation Tip: For the Motivation Jigsaw, group students heterogeneously and require each member to teach their assigned perspective to the group before synthesizing differences.

Setup: Flexible seating for regrouping

Materials: Expert group reading packets, Note-taking template, Summary graphic organizer

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Formal Debate

⏱ 40 min·Small Groups

Source Carousel: Civil War Impacts

Place document stations around room covering society, politics, economy. Groups rotate, analyze one source per station, note evidence, then debrief whole class on patterns.

Prepare & details

Explain why the Anglo-Irish Treaty led to such a deep division among former allies.

Facilitation Tip: During the Source Carousel, ask students to annotate each source with a brief justification for its significance before rotating to the next station.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

• Analyze
• Evaluate
• Create
• Self-Management
• Decision-Making

Teaching This Topic

Experienced teachers approach this topic by emphasizing the human dimension of political divisions, using role-play and perspective-taking to counteract the tendency to simplify the conflict into good versus bad. Avoid framing the debate as a moral judgment; instead, focus on the pragmatic and ideological tensions that shaped decisions. Research suggests that when students engage with primary sources and personal narratives, they develop deeper empathy and critical thinking about historical turning points like this one.

What to Expect

Successful learning looks like students articulating the nuanced positions of both sides, tracing the war’s escalation through primary sources, and connecting historical decisions to long-term impacts on Irish society. They should demonstrate empathy for multiple viewpoints while maintaining historical accuracy, especially in debates and discussions. Clear evidence of this will appear in their debates, timelines, and source analyses.

Watch Out for These Misconceptions

Common Misconception

During the Debate Pairs activity, watch for students conflating the Civil War with the War of Independence against Britain. Redirect them by asking: 'How does this debate focus on internal Irish divisions rather than British rule?'

What to Teach Instead

Have pairs reference the Treaty’s specific terms and the oath to the Crown to clarify that the split was over sovereignty within the Free State, not continued British control.

Common Misconception

During the Debate Pairs activity, listen for oversimplifications that Pro-Treaty supporters wanted British rule to continue. Redirect by asking: 'What evidence from the Treaty or historical context supports the claim that they saw the Free State as a stepping stone?'

What to Teach Instead

Ask students to compare the Treaty’s provisions to the 1916 Proclamation’s goals, highlighting the pragmatic acceptance of partition as a trade-off for autonomy.

Common Misconception

During the Timeline Stations activity, observe if students conclude the Civil War had limited long-term effects. Redirect by asking: 'How might the divisions from 1922 shape politics in the decades that followed?'

What to Teach Instead

Have students examine the timeline to identify continuity in political parties or recurring debates, such as the border issue or oath of allegiance, to highlight generational impacts.

Assessment Ideas

Discussion Prompt

After the Debate Pairs activity, pose the question: 'Imagine you are a member of the Dáil Éireann in 1922. Based on the arguments presented, would you vote for or against the Anglo-Irish Treaty? Justify your decision using at least two specific points of contention.' Facilitate a structured debate where students present their chosen side.

Quick Check

During the Source Carousel activity, provide students with a short, decontextualized quote from either a pro-Treaty or anti-Treaty figure. Ask them to identify which side the speaker likely belonged to and explain their reasoning based on the language and sentiment expressed in the quote.

Exit Ticket

After the Timeline Stations activity, on a slip of paper, ask students to write one sentence explaining the primary reason for the split between former allies after the War of Independence. Then, ask them to list one significant consequence of the Civil War that still resonates today.

Extensions & Scaffolding

• Challenge early finishers to draft a letter from the perspective of a civilian caught in the fighting, explaining how the war’s divisions affected their daily life.
• Scaffolding for struggling students: Provide sentence starters for debate arguments or a partially completed timeline with key dates and events.
• Deeper exploration: Have students research how the Civil War’s legacy appears in modern Irish politics or media, then present findings in a short report.

Key Vocabulary

Anglo-Irish Treaty	The 1921 agreement between representatives of the Irish Republic and the British government that ended the War of Independence but created the Irish Free State, leading to internal conflict.
Irish Free State	The name given to the new state established by the Anglo-Irish Treaty in 1922, which included 26 counties of Ireland and had dominion status within the British Empire.
Oath of Allegiance	A required pledge of loyalty to the British monarch by members of the Irish Free State's government and military, which was a major point of contention for anti-Treaty forces.
Pro-Treaty	The faction that supported the acceptance of the Anglo-Irish Treaty, believing it offered a path to greater independence and sovereignty for Ireland.
Anti-Treaty	The faction that rejected the Anglo-Irish Treaty, viewing it as a betrayal of the 1916 Easter Rising's goal of a fully independent republic free from British rule.