Question

Difficulty: Very hardUnderlying Assumptions

Passage:
Recent scholarship on 19th-century customary international law increasingly emphasizes the role of non-state actors, particularly transnational merchant networks. Traditional models posited that customary law emerged solely from the consistent practices of sovereign states acting out of a sense of legal obligation. However, the rapid standardization of maritime trade practices prior to their codification in formal treaties suggests that merchants, not states, were the primary generators of legal normativity. Because state naval forces frequently enforced these merchant-created standards—even in instances where they conflicted with existing state directives—it is evident that state apparatuses were merely recognizing, rather than creating, the binding character of these customary norms.

Statement:
The author's argument logically depends on the assumption that 19th-century state naval forces did not enforce merchant-created maritime standards primarily to advance their own independent strategic or military interests.

Answer: Answer

Answer

The statement is TRUE; ruling out independent strategic interest is a logically necessary assumption for the argument to hold.
The proper evaluation is True because the statement represents a logically necessary assumption. The author relies on a causal interpretation of the provided evidence: the fact that state navies enforced merchant standards against their own state's directives is used as definitive proof that the state was 'recognizing' the binding character of these norms. For this evidence to successfully support the conclusion, there cannot be a stronger, alternative motivation for the navies' actions. By applying the negation test—assuming that the navies *did* enforce the standards primarily to advance their own independent strategic or military interests—we see that the enforcement would no longer demonstrate a recognition of legal normativity. Instead, it would merely demonstrate state self-interest. Because negating the statement destroys the fundamental logic linking the premise to the conclusion, the author must be assuming that this alternative explanation is false.

Step-by-Step Solution

1
Identify the argument's conclusion and primary premise.
Conclusion: State apparatuses were merely recognizing the binding character of customary norms. Premise: State navies enforced merchant standards even when they conflicted with state directives.
Isolating the structural components of the argument is essential for identifying the logical gap.
2
Analyze the logical relationship between the premise and the conclusion.
The author uses a specific action (enforcing standards against existing directives) as definitive proof of a specific motivation (recognizing the binding character of the norms).
Assumptions reside in the unstated connections between the provided evidence and the author's deductive leap.
3
Apply the negation test to the provided statement to determine if it is strictly required.
Negated statement: State navies DID enforce the standards primarily to advance their own independent strategic interests. Impact: This creates a fatal alternative explanation for the navies' actions, destroying the author's claim that the enforcement proves the state recognized the norms as legally binding.
The negation test is the definitive method for proving whether an assumption is logically necessary; if negating the statement collapses the argument, the assumption is required.

Key Concept

Defender Assumptions and the Negation Test
Estimated Time:2m 30s
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