Context: The North Atlantic Treaty Organization (NATO  '), also called the North Atlantic Alliance, is an intergovernmental military alliance based on the North Atlantic Treaty which was signed on 4 April 1949. The organization constitutes a system of collective defence whereby its member states agree to mutual defence in response to an attack by any external party. Three NATO members are permanent members of the United Nations Security Council with the power to veto and are officially nuclear-weapon states: the United States, France and the United Kingdom. NATO's headquarters are located in Haren, Brussels, Belgium, where the Supreme Allied Commander also resides. Belgium is one of the 28 member states across North America and Europe, the newest of which, Albania and Croatia, joined in April 2009. An additional 22 countries participate in NATO's Partnership for Peace program, with 15 other countries involved in institutionalized dialogue programmes. The combined military spending of all NATO members constitutes over 70% of the global total. Members' defence spending is supposed to amount to 2% of GDP., The College of Europe is an independent university institute of postgraduate European studies with the main campus in Bruges, Belgium. It was founded in 1949 by such leading European figures and founding fathers of the European Union as Salvador de Madariaga, Winston Churchill, Paul-Henri Spaak and Alcide De Gasperi in the wake of the Hague Congress of 1948 to promote "a spirit of solidarity and mutual understanding between all the nations of Western Europe and to provide elite training to individuals who will uphold these values" and "to train an elite of young executives for Europe." It has the status of "Institution of Public Interest", operating according to Belgian law. Since 1993 the college has also had an additional smaller campus in Warsaw, Poland., Jean - Baptiste Nicolas Robert Schuman ( French pronunciation :  ( b uman ) ; 29 June 1886 -- 4 September 1963 ) was a Luxembourg - born French statesman . Schuman was a Christian Democrat ( MRP ) and an independent political thinker and activist . Twice Prime Minister of France , a reformist Minister of Finance and a Foreign Minister , he was instrumental in building post-war European and trans - Atlantic institutions and is regarded as one of the founders of the European Union , the Council of Europe and NATO . The 1964 -- 1965 academic year at the College of Europe was named in his honour ., Croatia, officially the Republic of Croatia, is a sovereign state between Central Europe, Southeast Europe, and the Mediterranean. Its capital city is Zagreb, which forms one of the country's primary subdivisions, along with its twenty counties. Croatia covers and has diverse, mostly continental and Mediterranean climates. Croatia's Adriatic Sea coast contains more than a thousand islands. The country's population is 4.28 million, most of whom are Croats, with the most common religious denomination being Roman Catholicism., Solidarity is unity (as of a group or class) which produces or is based on unities of interests, objectives, standards, and sympathies. It refers to the ties in a society that bind people together as one. The term is generally employed in sociology and the other social sciences as well as in philosophy or in Catholic social teaching., Alcide Amedeo Francesco De Gasperi (3 April 1881  19 August 1954) was an Italian statesman and politician who founded the Christian Democracy party. From 1945 to 1953 he was the prime minister of eight successive coalition governments. His eight-year term in office remains a landmark of political longevity for a leader in modern Italian politics. De Gasperi is the fourth longest-serving Prime Minister since the Italian Unification., Subject: robert schuman, Relation: religion, Options: (A) catholic (B) catholicism (C) christian
Output: catholicism