According to paragraph 1, the presence of a multitude of Roman products in the regions of Britain that were not under Roman was caused by A. the trade of goods between traveling Roman craftspeople through Britain and local inhabitants B. gifts Roman government officials provided to local tribes due to close relationships with the tribes and their officials C. trade between centers of manufacturing in Roman Britain and in centers in other regions of the Roman Empire D. the settlement of a high number of Roman people in regions around the Roman Britain province