Solution:Geneva Round-The Geneva Round was the fourth session of General Agreement on Tariff and Trade (GATT) multilateral trade negotiations in Geneva, Switzerland. It started in 1955 and lasted until May, 1956. Twenty-six countries took part in the round. $2.5 billion in tariffs were eliminated and reduced.
2. Kennedy Round-The Kennedy Round, Geneva, 1964-1967.
In the sixth, the Kennedy Round, participation surged to more than 60 countries-66 nations attended the opening ceremony, pictured here, on 4th May, 1964 in Geneva.
3. Uruguay Round-The Uruguay Round was the largest ever international trade negotiation. It took place within the framework of the General Agreement on Tariffs and Trade (GATT) and was launched at Punta del Este, Uruguay on 20 September, 1986 and formally concluded at Marrakesh, Morocco, on 15 April, 1994.
4. Doha Round-The Doha round officially began in November 2001, committing all countries to negotiations opening agricultural and manufacturing markets, as well as trade-in-services (GATS) negotiations and expanded intellectual property regulation (TRIPS)