A key geographic feature of medieval England is coastal territories. England is an island nation and has an extensive coastline with the Atlantic Ocean, the North Sea, the English Channel, and the Irish Sea surrounding it. This access to water was crucial for trade, fishing, and naval power during medieval times. The other options provided (exclusively inland territories without access to water, land below sea level, and permafrost) are not characteristic features of medieval England. While there are some areas of England that are below sea level (such as the Fens in East Anglia), this is not a dominant feature of the landscape, and permafrost is associated with much colder climates than those found in England.
