The supply contracts for the army, which pervaded every part of the Empire, drew on local suppliers near the base (castrum), throughout the province, and across provincial borders.
Kontrak penawaran bagi prajurit, yang menyebar di seluruh Kekaisaran, dimanfaatkan oleh para pemasok lokal di sekitar pangkalan militer (castrum) di seluruh provinsi dan di sepanjang perbatasan.