Read the passage below:
Historians of the Venetian silk industry have long debated the primary catalyst behind the guild reforms of 1540. Traditional scholarship asserted that these regulatory shifts were direct responses to increased import tariffs imposed by rival Mediterranean powers. However, recent archival analyses of workshop ledger books reveal that internal labor shortages, caused by an outbreak of epidemic disease in the artisanal quarters, actually compelled master weavers to restructure production quotas. To mitigate the resulting loss of skilled labor, the guild leadership introduced standardized apprenticeship timelines and centralized raw material distribution. Consequently, while external trade pressures undoubtedly complicated Venetian commercial strategy, they served merely as secondary background conditions rather than the immediate driver of structural reform.
Select the sentence in the passage that presents new empirical evidence challenging a long-held explanation.
Cevap: However, recent archival analyses of workshop ledger books reveal that internal labor shortages, caused by an outbreak of epidemic disease in the artisanal quarters, actually compelled master weavers to restructure production quotas. / However, recent archival analyses of workshop ledger books reveal that internal labor shortages, caused by an outbreak of epidemic disease in the artisanal quarters, actually compelled master weavers to restructure production quotas / recent archival analyses of workshop ledger books reveal that internal labor shortages, caused by an outbreak of epidemic disease in the artisanal quarters, actually compelled master weavers to restructure production quotas. / recent archival analyses of workshop ledger books reveal that internal labor shortages, caused by an outbreak of epidemic disease in the artisanal quarters, actually compelled master weavers to restructure production quotas