The British Isles' economy experienced significant changes after the Roman conquest. A. British craftspeople slowly stopped producing items that generally were of little practical value in favor of the manufacturing of household products. B. Manufacturers invested an increased amount of resources and time towards developing specialty equipment. C. The production of goods still remained small scale, but the exclusive relationship between the governing elite and the best craftsmen broke down. D. Trade goods manufactured in Roman Britain were spread throughout the Roman Empire. E. The number and variety of goods found at sites in Roman Britain as well as the development of sophisticated manufacturing processes are evidence of economic development under the Romans. F. Roman Britain experienced a rise in product imports from elsewhere in the empire.