HASS · Year 7 · Ancient Greece · Term 2

The Delian League and Peloponnesian War

Students will examine the formation of the Delian League, the rise of Athenian power, and the causes and consequences of the Peloponnesian War.

• ACARA Content Descriptions
• AC9H7K04

About This Topic

The Delian League began in 478 BCE as an alliance of Greek city-states led by Athens to defend against Persian invasion. Students examine how Athens moved the treasury from Delos to itself, converted ship contributions to cash tribute, and used funds for projects like the Parthenon. This shift built Athenian naval dominance but bred resentment, setting the stage for the Peloponnesian War from 431 to 404 BCE. Key inquiry focuses on underlying causes like power rivalry and immediate sparks such as disputes over Corcyra and Potidaea.

Aligned with AC9H7K04, this content builds skills in analyzing continuity and change, perspectives, and cause and consequence. Students differentiate Athens' transformation from protector to hegemon, evaluate Spartan responses, and predict war outcomes like city-state exhaustion that invited Macedonian conquest. Primary sources, such as Thucydides' accounts, reveal biases and help students construct evidence-based narratives.

Active learning suits this topic well. Simulations of alliance councils or war strategy sessions let students embody leaders' decisions, making power dynamics tangible. Collaborative timelines and debates clarify complex causes, boost engagement, and strengthen historical empathy through peer interaction.

Key Questions

1. Analyze how the Delian League transformed from an alliance into an Athenian empire.
2. Differentiate between the underlying and immediate causes of the Peloponnesian War.
3. Predict the long-term impact of the Peloponnesian War on the Greek city-states.

Learning Objectives

• Analyze the transition of the Delian League from a defensive alliance to an Athenian empire by examining Athenian policies and actions.
• Compare and contrast the underlying causes of the Peloponnesian War, such as economic rivalry and political tensions, with the immediate triggers.
• Evaluate the impact of Athenian naval power and imperial ambitions on the Greek city-states.
• Synthesize information from primary and secondary sources to explain the consequences of the Peloponnesian War for the political landscape of Ancient Greece.
• Predict the long-term effects of the Peloponnesian War, considering its role in weakening the Greek city-states.

Before You Start

The Persian Wars

Why: Understanding the context of the Persian Wars is crucial for grasping the initial formation and purpose of the Delian League.

City-States of Ancient Greece (Polis)

Why: Students need foundational knowledge of the structure and political organization of Greek city-states to understand their alliances and rivalries.

Key Vocabulary

Delian League	An alliance of Greek city-states formed after the Persian Wars, led by Athens, initially to defend against future Persian attacks.
Athenian Empire	The political and military dominance of Athens over its allies and subject states, developed through control of the Delian League's treasury and forces.
Tribute	Money or goods paid by one state to another, especially as a sign of submission or as a contribution to a common fund, in this case, paid by Delian League members to Athens.
Peloponnesian War	A major conflict fought between the Delian League, led by Athens, and the Peloponnesian League, led by Sparta, from 431 to 404 BCE.
Hegemony	Leadership or dominance, especially by one state or social group over others.

Watch Out for These Misconceptions

Common Misconception

The Delian League remained a true alliance throughout.

What to Teach Instead

Many believe members joined voluntarily forever, but Athens enforced tribute harshly. Role-plays of council meetings help students see the coercion firsthand, correcting views through negotiation simulations that reveal power imbalances.

Common Misconception

The Peloponnesian War had only one main cause.

What to Teach Instead

Students often simplify it to Athens versus Sparta. Mapping activities distinguish multiple layers, from imperialism to border disputes, as peers collaborate to build nuanced causal chains.

Common Misconception

Sparta decisively won the war with no lasting damage.

What to Teach Instead

The victory weakened all Greece, enabling Philip II's rise. Prediction debates encourage students to weigh long-term effects, shifting focus from battles to structural decline.

Active Learning Ideas

Role-Play: Delian League Assembly

Assign roles as Athenian leaders, Spartan observers, and allied city-states. Groups negotiate tribute versus ships, then vote on key decisions. Debrief with reflections on power shifts.

45 min·Small Groups

Cause-Effect Mapping: War Triggers

Provide cards with events and factors. In pairs, students sort into underlying and immediate causes, then link to consequences on a class mural. Discuss predictions for outcomes.

30 min·Pairs

Formal Debate: Athenian Empire Justified?

Divide class into pro-Athenian and pro-allied teams. Each prepares arguments from sources, debates in rounds, then votes and reflects on biases.

50 min·Whole Class

Timeline Simulation: War Phases

Groups create physical timelines with key battles and leaders. Rotate to add alliance shifts, then predict post-war Greece based on patterns.

40 min·Small Groups

Real-World Connections

• International organizations like the United Nations or NATO function as alliances where member states contribute resources and adhere to collective decisions, mirroring the complex dynamics of alliances like the Delian League.
• Modern geopolitical analyses often examine how economic power and military strength can lead to the dominance of one nation over others, a phenomenon evident in Athens' transformation from a league member to an imperial power.

Assessment Ideas

Quick Check

Present students with a map of Ancient Greece. Ask them to label the territories controlled by Athens and Sparta at the start of the Peloponnesian War. Then, ask them to write one sentence explaining the primary reason for the conflict between these two powers.

Discussion Prompt

Facilitate a class debate using the prompt: 'Was Athens justified in transforming the Delian League into an empire?' Students should use evidence from the lesson to support their arguments, considering Athenian actions and the perspectives of other city-states.

Exit Ticket

Provide students with three index cards. On the first, they should write one underlying cause of the Peloponnesian War. On the second, one immediate cause. On the third, one significant consequence of the war for the Greek city-states.

Frequently Asked Questions

What transformed the Delian League into an Athenian empire?

Athens relocated the treasury to its Acropolis in 454 BCE, demanded cash tribute instead of ships, and spent funds on grand buildings and its fleet. Allies lost autonomy as Athens suppressed revolts like Naxos in 470 BCE. This built hegemony but fueled Spartan-led opposition, key to curriculum analysis of power shifts.

What were the causes of the Peloponnesian War?

Underlying causes included Athenian expansion after Persian Wars and Spartan fears of encirclement. Immediate triggers were conflicts over Corcyra's navy and Potidaea's revolt. Thucydides highlights Sparta's ultimatum on Megara Decree. Students differentiate these through source work to grasp complexity.

How can active learning help students understand the Delian League and Peloponnesian War?

Role-plays and debates immerse students in leaders' viewpoints, clarifying abstract shifts like alliance to empire. Collaborative cause mapping reveals layered motivations missed in lectures. Simulations predict consequences, building empathy and retention as students actively negotiate and strategize historical decisions.

What were the long-term impacts of the Peloponnesian War?

Greece fragmented: Athens lost its fleet and walls, Sparta faced revolts, and Thebes rose briefly. Overall exhaustion left city-states vulnerable to Philip II of Macedon, paving Alexander's path. This connects to later units, emphasizing how internal wars altered trajectories.