Study the given image carefully and answer the questions that follow. (A world map showing two shipping routes from London to Mumbai: a 7,200 mile route through Europe, the Mediterranean and the Red Sea, and a 12,300 mile route around Africa via the Atlantic Ocean.) (i) Identify the artificial waterway during colonial rule that served as a highway between India and Britain. (ii) In which year was this artificial maritime route officially opened for international navigation ? (iii) Describe the economic significance of artificial waterways between the Mediterranean and the Red Sea.