Correct Answer: (c) Qatar
Solution:The 4th Ministerial Conference of World Trade Organization was held at Doha, Qatar in November, 2001. At this conference, ministers from all WTO members launched the Doha Development Agenda. While 12th Ministerial Conference of World Trade Organization was originally scheduled to take place from 8-11 June 2020, in Nur Sultan, Kazakhstan, but it was postponed due to the Covid-19 pandemic. It was then held on 12-17 June, 2022 in Geneva, Switzerland. The 13th WTO Ministerial Conference took place from 26 February to 2 March, 2024 in Abu Dhabi, UAE.