Final answer:
Roman engineering feats in Britain include the construction of roads and aqueduct systems, which were primarily designed for military use and to provide water to Roman cities.
Step-by-step explanation:
Roman engineering feats in Britain include the construction of roads and aqueduct systems. The Romans built a well-constructed road system that spanned 44,000 miles and followed a straight line, primarily designed for military use. They also constructed aqueducts to transport water to Roman cities, using arched bridges to carry the channels across valleys.