55年体制 ごじゅうごねんたいせい noun (common) (futsuumeishi) see: 自由民主党・じゆうみんしゅとう・1 see: 日本社会党・にっぽんしゃかいとう 1955 System Japanese political alignment with the LDP in government and the JSP in opposition, which lasted until 1993 ◄ ►