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The OPIL World Cup Challenge

The answers to the questions below are all countries participating in the 2014 FIFA World Cup in Brazil. Some questions relate to two countries so there are 27 questions in all covering the 32 countries.

Try to see how many you can answer without any research. After that all of the answers can be found by searching and browsing this site using the menu bar and search box above. All answers are now listed after each question.


  1. The only country to ratify Simon Bolivar's Treaty of Union, Alliance and Perpetual Confederation

    Nuevo Granada (now Colombia) (see Max Planck Encyclopedia of Public International Law (MPEPIL) article on International Law, Regional Developments: Latin America)

  2. Former US President William H Taft, acting as arbitrator, found in this country's favour in a claim dealing with the invalidity of contracts entered into by a de facto government

    Costa Rica (see MPEPIL article on Tinoco Concessions Arbitration)

  3. Its foreign currency shortage in the late 1970s led to a number of claims by foreign investors including Union Carbide and Firestone

    Ghana (see Oxford Reports on International Law (ORIL) case reports on Firestone and Union Carbide OPIC claims against Ghana)

  4. The 1814 Treaty of Chaumont expressed a desire for this country to be restored to the Bourbons

    Spain (see MPEPIL article on Holy Alliance (1815))

  5. After local remedies were exhausted, this country was taken to the United Nations Committee on the Elimination of Racial Discrimination in 2002 because the name of a grandstand at a football stadium included an offensive racial term which was repeated often by the announcers

    Australia (see case of Hagan v Australia 2002 in ORIL)

  6. Article 27 of this country's 1927 Constitution is considered to be a classic example of the Calvo Doctrine

    Mexico (see MPEPIL article on Calvo Doctrine/Calvo Clause)

  7. Following this country’s refusal to take part in the UN Charter’s Chapter XI reporting system a UNGA Resolution unilaterally placed 9 of its overseas possessions on a list of dependent territories in December 1960

    Portugal (see commentary on Declaration Regarding Non-self-governing Territories, Article 73 in Oxford Scholarly Authorities on International Law (OSAIL))

  8. In a debt for nature swap in 1987 the World Wildlife Fund bought this country's debt from Citicorp at 35% of face value

    Ecuador (see MPEPIL article on Debt-for-Nature Swaps)

  9. Its National Dams Agency was the subject of ICSID claims by two Italian companies in 2003

    Algeria (see case of LESI/DIPENTA v Algeria from ORIL)

  10. These two countries' maritime boundary was determined to be the median line in the Channel of Mali Ston (2 countries)

    Croatia, Bosnia and Herzegovina (see MPEPIL article on Croatia)

  11. They agreed the first ever Treaty of Amity and Commerce, in 1778 (2 countries)

    France and the USA (see MPEPIL article on Treaties of Commerce, Friendship, and Navigation)

  12. In the hijacking of a ship of this nationality the PLO murdered a wheelchair-bound American citizen

    Italy (see MPEPIL article on Achille Lauro Affair)

  13. The Dutch called this one-time colonial possession the "tooth coast"

    Cote d’Ivoire (see MPEPIL article on Cote d’Ivoire)

  14. Bathhouses refusing entry to non-nationals led to a 2002 decision from this country's courts on the applicability of CERD to private entities

    Japan (see case of Arudou and others v Earth Cure, Inc and Otaru City from ORIL)

  15. The first country to make a submission to The Commission on the Limits of the Continental Shelf

    Russian Federation (see MPEPIL article on Continental Shelf, Commission on the Limits of the)

  16. The only country at the World Cup to benefit from Article 125 of UNCLOS

    Switzerland (as the only landlocked state competing in the World Cup; see Crawford on Common Spaces and Co-operation in the Use of Natural Resources)

  17. Their dispute over three islands and a maritime boundary was mediated by the Holy See in 1984 (2 countries)

    Chile and Argentina (see MPEPIL article on Beagle Channel Dispute)

  18. Two brothers from this country were the subject on an ICJ decision that stated for the first time the binding nature of provisional measures issued under Article 41 of its Statute

    Germany (see LaGrand Case in ORIL)

  19. The second oldest state in the world (date of creation according to Crawford)

    Iran (established 550 BC according to The Creation of States in International Law in OSAIL)

  20. Asked the Inter-American Court of Human Rights for an advisory opinion on the meaning of the word "Laws"

    Uruguay (see Advisory Opinion on The Word “Laws” in Article 30 of the ACHR from ORIL)

  21. In the PCIJ judgment on a dispute between these two countries, Manley Hudson wrote a separate opinion in which he said "the Court has some freedom to consider principles of equity as part of the international law which it must apply" (2 countries)

    Belgium, the Netherlands (see the PCIJ decision on Diversion of Waters from the River Meuse in ORIL)

  22. Resigned its claims to Santa Lucia in the Peace Treaty of Paris 1763

    England (see Oppenheim on Loss of State Territory in OSAIL)

  23. Taken by its former monarch to the ECtHR on a claim that a piece of 1994 legislation amounted to expropriation

    Greece (see case of Former King of Greece and others v Greece in ORIL)

  24. Withdrew from the League of Nations when it failed to get a permanent seat on the Council

    Brazil (see MPEPIL article on The League of Nations)

  25. In a decision from 2002, 12 citizens from one of these two countries went to the courts of their neighbouring country to argue that their neighbour's government should institute proceedings at the ICJ for their self-determination (2 countries)

    Nigeria and Cameroon (see case of Gumne and others v Attorney-General of Nigeria in ORIL)

  26. UNSC approval for armed intervention in this country’s armed conflict came in the midst of a Soviet Union boycott of UN organs

    South Korea (see MPEPIL article on Korean War (1950-53))

  27. Disputed a "historic bay" with a neighbour at the ICJ in the 1990s

    Honduras (see Land, Island, and Maritime Frontier Dispute case in ORIL)

Choose from:
Algeria, Argentina, Australia, Belgium, Bosnia and Herzegovina, Brazil, Cameroon, Chile, Colombia, Costa Rica, Cote d’Ivoire, Croatia, Ecuador, England, France, Germany, Ghana, Greece, Honduras, Iran, Italy, Japan, Mexico, the Netherlands, Nigeria, Portugal, Russia, South Korea, Spain, Switzerland, Uruguay, USA

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