It is more difficult to walk on a sandy road than on a concrete road because
Options: sand is soft and concreter is hard, the friction between sand and feet is less than that between concrete and feet, the friction between sand and feet is more than that between concrete and feet, the sand is grainy but concrete is smooth
In 1943, Franklin D. Roosevelt, Winston Churchill and Joseph Stalin met at Teheran primarily
Options: to discuss the strategy to be adopted by the Allies to invade Germany, to consider a common plan of action by the Allies forces against the axis powers, for creating an effective instrument for maintaining international peace, to work out a common line of action against Japan
What was the purpose of EFTA (European Free Trade Association)?
Options: To remove all tariffs on trade of industrial goods between the member countries, To aid the creation of a single west European market to help boost world trade, both (a) and (b), None of the above