Information: - Republika Srpska is one of two constitutional and legal entities of Bosnia and Herzegovina, the other being the Federation of Bosnia and Herzegovina. The entities are largely autonomous. The administrative centre is Banja Luka. - Banja Luka or Banjaluka is the largest city of the Republika Srpska entity and second largest city in Bosnia and Herzegovina after the capital Sarajevo. Traditionally, it has been the centre of the Bosanska Krajina region, located in the northwestern part of the country. It is home of the University of Banja Luka, as well as numerous state and entity institutions of Bosnia and Herzegovina. The city lies on the River Vrbas and is well known in the countries of the former Yugoslavia for being full of tree-lined avenues, boulevards, gardens, and parks. According to the 2013 census the City of Banja Luka, has 185,042 inhabitants. - The Republic of Serbian Krajina (RSK ; sometimes translated as Republic of Serb Krajina), commonly known as Serbian Krajina or simply Krajina, was a self-proclaimed Serb parastate within the territory of the Republic of Croatia during the Croatian War of Independence. Established in 1991, it was not recognized internationally. It formally existed from 1991 to 1995, having been initiated a year earlier via smaller separatist regions. The name "Krajina" ("Frontier") was adopted from the historical borderland, the Military Frontier, of the Austro-Hungarian Empire, which existed up to the 19th century. Its separatist government engaged in a war for ethnic Serb independence from the Republic of Croatia, within and out of Yugoslavia, once Croatian borders had been recognized by foreign states in August 1991 and February 1992. - Velika Kladusa is a town and municipality in the far northwest of Bosnia and Herzegovina, located near the border with Croatia. The closest city is Cazin, and a bit farther, the cities of Biha and Bosanski Novi. Across the border, it is not far from Cetingrad. Administratively, it is part of the Una-Sana Canton of the Federation of Bosnia and Herzegovina. The Velika Kladusa municipality also has many smaller towns and villages inside it such as Mala Kladusa, Todorovo, Podzvizd and Crvarevac. The town of Velika Kladusa is the center for the municipality because most hospitals, stores and government buildings are located there. - The Bosnian War was an international armed conflict that took place in Bosnia and Herzegovina between 1992 and 1995. Following a number of violent incidents in early 1992, the war is commonly viewed as having started on 6 April 1992. The war ended on 14 December 1995. The main belligerents were the forces of the Republic of Bosnia and Herzegovina and those of the self-proclaimed Bosnian Serb and Bosnian Croat entities within Bosnia and Herzegovina, Republika Srpska and Herzeg-Bosnia, who were led and supplied by Serbia and Croatia respectively. - The Croatian War of Independence was fought from 1991 to 1995 between Croat forces loyal to the government of Croatiawhich had declared independence from the Socialist Federal Republic of Yugoslavia (SFRY)and the Serb-controlled Yugoslav People's Army (JNA) and local Serb forces, with the JNA ending its combat operations in Croatia by 1992. In Croatia, the war is primarily referred to as the "Homeland War" (') and also as the "Greater-Serbian Aggression" ('). In Serbian sources, "War in Croatia" ("Rat u Hrvatskoj") and "War in Krajina" ("Rat u Krajini") are used. - An administrative centre is a seat of regional administration or local government, or a county town, or the place where the central administration of a commune is located. - Bosnia and Herzegovina (or ; B&H; Bosnian, Croatian, Serbian: "Bosna i Hercegovina" / a ), sometimes called Bosnia-Herzegovina (BiH), and, in short, often known informally as Bosnia, is a country in Southeastern Europe located on the Balkan Peninsula. Sarajevo is the capital and largest city. Bordered by Croatia to the north, west, and south; Serbia to the east; Montenegro to the southeast; and the Adriatic Sea to the south, with a coastline about long surrounding the city of Neum. In the central and eastern interior of the country the geography is mountainous, in the northwest it is moderately hilly, and the northeast is predominantly flatland. The inland is a geographically larger region and has a moderate continental climate, with hot summers and cold and snowy winters. The southern tip of the country has a Mediterranean climate and plain topography. - The Federation of Bosnia and Herzegovina (Bosnian, Croatian and Serbian: ', Cyrillic script: ) is one of the two political entities that compose Bosnia and Herzegovina, the other being Republika Srpska. The Federation of Bosnia and Herzegovina consists of 10 autonomous cantons with their own governments. It is inhabited primarily by Bosniaks and Bosnian Croats, which is why it is sometimes informally referred to as the Bosniak-Croat Federation (with the Bosnian Serbs as the third constituency of the entity). It is sometimes known by the shorter name Federation of B&H (Federacija BiH). - 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 4.28million, most of whom are Croats, with the most common religious denomination being Roman Catholicism. - Operation Spider was a combined effort by Republika Srpska and the Republic of Serb Krajina to recover the Autonomous Province of Western Bosnia , which was a key ally of the Serbs . The Bosnian government had previously overrun and seized the territory . The operation ended in a Serb victory and the Autonomous Province of Western Bosnia remained in existence until the fall of its key ally the Republic of Serbian Krajina and the subsequent end of the war . - Fikret Abdi (born 29 September 1939) is a Bosnian politician and businessman who first rose to prominence in the 1980s for his role in turning the Velika Kladusa-based agriculture company Agrokomerc into one of the biggest conglomerates in SFR Yugoslavia. - Krajina is a Slavic toponym, meaning 'frontier' or 'march'. The term is related with "kraj" or "krai", originally meaning "edge" and today denoting a region or province, usually distant from the metropole. - The Military Frontier was a province straddling the southern borderland of the Habsburg Monarchy and later the Austrian and Austro-Hungarian Empire. It acted as the "cordon sanitaire" against incursions from the Ottoman Empire. - Serbia, officially the Republic of Serbia, is a sovereign state situated at the crossroads of Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans. Relative to its small territory, it is a diverse country distinguished by a "transitional" character, situated along cultural, geographic, climatic and other boundaries. Serbia is landlocked and borders Hungary to the north; Romania and Bulgaria to the east; Macedonia to the south; and Croatia, Bosnia-Herzegovina, and Montenegro to the southwest; it also claims a border with Albania through the disputed territory of Kosovo. Serbia numbers around 7 million residents, and its capital, Belgrade, ranks among the largest cities in Southeast Europe. - The Autonomous Province of Western Bosnia was a small unrecognised state that existed in the northwest of Bosnia and Herzegovina between 1993 and 1995. It consisted of the town of Velika Kladusa (its capital) and a few nearby villages. It was proclaimed as a result of secessionist politics by Fikret Abdi against the Bosnian central government during the Bosnian War. For a short time in 1995 it was known as the Republic of Western Bosnia. Given the paragraphs above, decide what entity has the relation 'part of' with 'bosnian war'.
A:
operation spider