Diagnostic Test 10

Cities known for textile production along the corridor became wealthier than neighboring towns during the route's mature phase.

Analysis of the earliest surviving portage and toll records shows that over 75% of long-distance fees were collected on textile cargoes, with resins accounting for less than 5%.

A ninth-century chronicle praises the spice and resin merchants who kept the trade alive long after the route's peak.

Archaeobotanical studies identify the specific shrubs used to produce resins and map their growing ranges across the peninsula.