P.—With those on the west of Europe, and with America.
T.—Yes. You must notice that Great Britain is situated very favourably for trade with the whole world. Is there anything on the map to show this?
P.—There are a great many lines on the map that show the water routes from Britain to almost every country in the world.
T.—Suppose Britain had trouble with any other country that might be a cause of war, would her position make any difference to her?
P.—No country could attack her except by water.
T.—How would she defend herself?
P.—She would have to depend on her ships. (A good opening for a brief outline of the growth of the navy.)
T.—Where would she get her ships?
P.—She builds them herself.