Two Historians and the 1640 Crisis
Two historians explain the outbreak of a civil war in a 17th-century European kingdom. Historian A argues that the war began because long-standing constitutional disputes over taxation had eroded trust between crown and parliament; she cites 40 years of disputed levies and a 1628 petition. Historian B argues that a short-term religious crisis in 1637 to 1640 forced the crown to call parliament, which then radicalized; he cites a new prayer book, riots in three cities, and a 1640 war with a neighboring kingdom. Both use the same 1628 petition and the same tax records. A student concludes that A is right because her evidence is older. The teacher asks you to assess the two interpretations using the same body of evidence.
1. Explain how the same 1628 petition and tax records can support both interpretations.
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The 1628 petition and tax records are compatible with both interpretations because they establish grievances, not causation. Historian A reads them as evidence of a long structural breakdown: repeated disputed levies show that the crown's fiscal demands had outrun consent for decades, so the 1637 to 1640 crisis only revealed an existing fault line. Historian B reads the same records as background conditions that did not produce war until the religious crisis forced the crown to summon parliament; the petition shows complaint, not rebellion. The tax records can support A because they show continuity of conflict, and B because they show that conflict was managed without war before 1637. The student's inference that older evidence is stronger is a fallacy: date does not settle causal weight. The same source can be a standing grievance for A and a non-sufficient condition for B.
2. Design a source test that would help decide between the two interpretations and state what result would favor B.
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Design a process-tracing test around timing and sequence. First, establish whether the 1628 petition produced organized resistance or was routine; if it was followed by compliance, it is weaker as a long-term cause. Second, compare the spread of the 1637 to 1640 riots with the distribution of tax grievances: if riots began in cities with the new prayer book but without recent tax disputes, B gains. Third, look for crown correspondence showing that the 1640 war with the neighboring kingdom, not the prayer book alone, forced the summoning of parliament; that would support a combined explanation. A result favoring B would be evidence that the 1628 petition was a formulaic document with no follow-up organization, while the prayer book riots produced new petitions and elite defections within months. A result favoring A would be local tax resistance records that predicted which regions radicalized in 1640.