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Difficulty: Very hardPoints of Disagreement

Passage A and Passage B below discuss competing theories regarding the crystallization of customary international law (CIL).

Passage A
The architecture of customary international law (CIL) has classically relied on two strictly concurrent pillars: *usus* (widespread, consistent material state practice) and *opinio juris* (the belief that such practice is legally obligatory). Recently, however, progressive scholars have advanced a "modernist" theory, positing that overwhelming expressions of *opinio juris*—often materialized as non-binding resolutions in international assemblies—can instantly crystallize into binding CIL. This paradigm is fundamentally flawed. Material state behavior must precede or evolve concurrently with *opinio juris*. When rhetorical declarations divorced from material reality are elevated to the status of binding law, the core tenet of state sovereignty is profoundly threatened. Sovereignty demands that states be bound only by rules to which they have tacitly consented through historical, observable compliance, not merely by the political posturing endemic to global forums. While critics correctly observe that the classical requirement of behavioral accumulation is a deliberative, gradual process, this very pace functions as a vital safeguard against the abrupt imposition of fabricated legal mandates.

Passage B
In an increasingly interconnected geopolitical landscape, the traditional dual-requirement doctrine governing customary international law (CIL) proves archaic and dangerously sluggish. Confronted with unprecedented, rapidly accelerating transnational crises—such as systemic ecological collapse and asymmetric cyber warfare—the international community can no longer afford the decades of slow behavioral adaptation historically required to satisfy the element of *usus*. Consequently, a modern paradigm has rightly emerged: instant custom. Under this framework, a robust, unified expression of normative consensus in international bodies is sufficient, on its own, to crystallize into binding CIL. Traditionalists argue that bypassing historical state practice erodes state sovereignty. This objection, however, misapprehends the nature of modern diplomatic consent. By participating in and ratifying these unified declarations, nations actively exercise their sovereignty rather than surrender it. The modern approach recognizes that explicit, collective verbal articulation of legal obligation is a more responsive and democratic mechanism for lawmaking than the passive, often ambiguous accumulation of material state acts.

Based strictly on the texts provided, match each proposition with the accurate characterization of the authors' respective stances.

  • The foundational principle of state sovereignty is compromised when international declarations are treated as binding law without a corresponding history of state compliance.Passage A explicitly affirms this proposition; Passage B explicitly rejects it.
  • Binding customary international law can crystallize exclusively from a unified expression of legal obligation, bypassing the need for a history of conforming material actions.Passage B explicitly affirms this proposition; Passage A explicitly rejects it.
  • The traditional doctrine of customary international law demands both a belief in legal obligation and a history of material state behavior.Both Passage A and Passage B explicitly affirm this proposition.
  • The traditional requirement of behavioral accumulation is too slow to effectively address modern transnational emergencies such as cyber warfare.Passage B explicitly affirms this proposition; Passage A's position cannot be determined.

Answer

Proposition 1 maps to Passage A Affirming/Passage B Rejecting. Proposition 2 maps to Passage B Affirming/Passage A Rejecting. Proposition 3 maps to Both Passages Affirming. Proposition 4 maps to Passage B Affirming/Passage A's Position Undetermined.
The precise mappings rely on explicit textual evidence. Proposition 1 is the core sovereignty debate where A affirms the threat and B rejects it. Proposition 2 is the core legal debate where B affirms 'instant custom' and A rejects it. Proposition 3 is a shared factual definition, making it a point of agreement. Proposition 4 relies on an example (cyber warfare) explicitly utilized by B, but entirely absent from A, leaving A's position on that specific scenario undetermined.

Step-by-Step Solution

1
Analyze Passage A's core argument and explicit claims.
Passage A defends the traditional dual-requirement doctrine (practice + belief), explicitly rejecting the idea that declarations alone can create law, and argues that bypassing physical practice threatens sovereignty. A concedes the process is slow but views this as a protective feature.
Establishing the baseline stance of the first author is required to evaluate points of agreement and disagreement.
2
Analyze Passage B's core argument and explicit claims.
Passage B advocates for the modern 'instant custom' approach (belief alone is sufficient), explicitly arguing that traditional requirements are too slow for modern crises like cyber warfare. B directly rebuts the sovereignty concern, claiming modern consent exercises rather than threatens sovereignty.
Establishing the baseline stance of the second author enables comparison against the first.
3
Evaluate Proposition 1 regarding state sovereignty.
Passage A explicitly affirms this threat. Passage B explicitly rejects it.
Identifying textual evidence ('core tenet... profoundly threatened' vs. 'misapprehends the nature... actively exercise') isolates the point at issue.
4
Evaluate Proposition 2 regarding crystallization from expressions alone.
Passage B explicitly affirms this ('sufficient, on its own'). Passage A explicitly rejects this ('fundamentally flawed').
This is the primary point of contention between the two passages.
5
Evaluate Proposition 3 regarding the definition of the traditional doctrine.
Both passages affirm this factual definition ('strictly concurrent pillars' / 'traditional dual-requirement doctrine').
Authors can disagree on the utility of a doctrine while agreeing entirely on its factual definition.
6
Evaluate Proposition 4 regarding the specific example of cyber warfare.
Passage B affirms this explicitly. Passage A acknowledges the traditional process is slow but never mentions cyber warfare or concedes it is 'too slow' for such emergencies. Thus, Passage A is unstated on this specific proposition.
Distinguishing between a general concession (the process is slow) and a specific application (too slow for cyber warfare) is necessary to determine precise authorial positions.

Key Concept

Identifying Points of Agreement, Disagreement, and Unstated Positions in Dual Passages
Estimated Time:3m 0s
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Topics

Points of Disagreement

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