1 “... used to manufacture bread in Europe and on the North American continent today. To date, the main...”

2 “... sea routes, discovering of continents and altering the picture of the known world. With the advent...”

3 “.... It is widely grown in five of the six continents. It is a highly versatile food product in that it can...”

4 “... to encyclopedias. Where technolog­ ical capabilities once were limited, rapid advances in many fields contin­ ually...”