Information: - Moldova (or sometimes ), or Moldavia, officially the Republic of Moldova, is a landlocked country in Eastern Europe, bordered by Romania to the west and Ukraine to the north, east, and south. The capital city is Chiinu. - Romania is a sovereign state located in Southeastern Europe. It borders the Black Sea, Bulgaria, Ukraine, Hungary, Serbia, and Moldova. It has an area of and a temperate-continental climate. With 19.94 million inhabitants, the country is the seventh-most-populous member state of the European Union. The capital and largest city, Bucharest, with its 1,883,425 inhabitants is the sixth-largest city in the EU. - The Wallachian Revolution of 1848 was a Romanian liberal and nationalist uprising in the Principality of Wallachia. Part of the Revolutions of 1848, and closely connected with the unsuccessful revolt in the Principality of Moldavia, it sought to overturn the administration imposed by Imperial Russian authorities under the "Regulamentul Organic" regime, and, through many of its leaders, demanded the abolition of boyar privilege. Led by a group of young intellectuals and officers in the Wallachian Militia, the movement succeeded in toppling the ruling Prince Gheorghe Bibescu, whom it replaced with a Provisional Government and a Regency, and in passing a series of major progressive reforms, first announced in the Proclamation of Islaz. - 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. - Ion Ghica ( Romanian pronunciation : ( ion ika ) ; August 12 , 1816 -- May 7 , 1897 ) was a Romanian revolutionary , mathematician , diplomat and politician , who was Prime Minister of Romania five times . He was a full member of the Romanian Academy and its president many times ( 1876 - 1882 , 1884 - 1887 , 1890 - 1893 and 1894 - 1895 ) . He was the older brother and associate of Pantazi Ghica , a prolific writer and politician . - The Crimean War was a military conflict fought from October 1853 to March 1856 in which the Russian Empire lost to an alliance of France, Britain, the Ottoman Empire, and Sardinia. The immediate cause involved the rights of Christian minorities in the Holy Land, which was a part of the Ottoman Empire. The French promoted the rights of Roman Catholics, while Russia promoted those of the Eastern Orthodox Church. The longer-term causes involved the decline of the Ottoman Empire and the unwillingness of Britain and France to allow Russia to gain territory and power at Ottoman expense. It has widely been noted that the causes, in one case involving an argument over a key, have never revealed a "greater confusion of purpose", yet led to a war noted for its "notoriously incompetent international butchery." - The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency. - Bulgaria (tr. '), officially the Republic of Bulgaria (tr. '), is a country in southeastern Europe. It is bordered by Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. With a territory of , Bulgaria is Europe's 16th-largest country. - Hungary is a unitary parliamentary republic in Central Europe. It covers an area of , situated in the Carpathian Basin and bordered by Slovakia to the north, Romania to the east, Serbia to the south, Croatia to the southwest, Slovenia to the west, Austria to the northwest, and Ukraine to the northeast. With about 10 million inhabitants, Hungary is a medium-sized member state of the European Union. The official language is Hungarian, which is the most widely spoken Uralic language in the world. Hungary's capital and largest metropolis is Budapest, a significant economic hub, classified as an Alpha- global city. Major urban areas include Debrecen, Szeged, Miskolc, Pecs and Gyr. - The city of Buzu (formerly spelled "Buzeu" or "Buzu"; ) is the county seat of Buzu County, Romania, in the historical region of Muntenia. It lies near the right bank of the Buzu River, between the south-eastern curvature of the Carpathian Mountains and the lowlands of Brgan Plain. - Pantazi Ghica (also known under the pen names Tapazin, G. Pantazi, and Ghaki; March 15, 1831 July 17, 1882) was a Wallachian, later Romanian politician and lawyer, also known as a dramatist, poet, short story writer, and literary critic. A prominent representative of the liberal current, he was the younger brother and lifelong collaborator of Ion Ghica, who served as Prime Minister of the Romanian Kingdom in 1866-1867 and again in 1870-1871. Pantazi Ghica began his political career as a participant in the Wallachian Revolution of 1848, a collaborator of the Romantic historian and activist Nicolae Blcescu, and a member of the radical grouping headed by C. A. Rosetti. Although twice involved in the administration of Buzu County, Ghica lived much of his life in exile or in Bucharest, and was also a soldier for the Ottoman Empire during the Crimean War. After 1875, he was a prominent member of the National Liberal Party. Given the information, choose the subject and object entities that have the relation of 'member of political party'.
A:
ion ghica , national liberal party