What is the situation referred to as, amongst the following, when intra-region trade is duty free but there is variation in tariff structure for import from a third country?

A. The Drugs and Cosmetics Act, 1940 B. The prevention of Food Adulteration Act, 1954 C. The Monopolies and Restrictive Trade Practices Act, 1969 D. Both B and C

A. Socialism is compatible with democracy and liberty, whereas Communism involves creating an 'equal society' through an authoritarian state B. Totalitarianism is a form of government which involves complete submission of people to the government. The State recognizes no limits to its authority and strives to control every aspect of public and private life wherever feasible C. India differed from core socialism as it went for a mixed economy rather than complete government control D. All of the above statements are true

A. RBI borrows short-term money from the market B. Banks keeps the money with RBI C. Banks take money from RBI after offering some securities D. Forex is purchased by RBI

A. Preferential Trade Area B. Custom Unions C. Economic Union D. Common Market