Using the OS map extract above, which grid square matches the following description? 'There is a meandering river. Land is flat in the south, but it rises to 70 metres in the north west. Two secondary roads pass through the area'.

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory