Dee ihe na-aga n'ihu na paragraf a - Romania na ndị Central Powers jikọrọ aka kemgbe 1882. Otú ọ dị, mgbe agha ahụ malitere, o kwupụtara nnọpụiche ya, na-ekwu na ebe ọ bụ na Austria-Hungary ebusowo Serbia agha, ọ dịghị Romania mkpa isonye n'agha ahụ. Na 4 August 1916, Romania na Entente bịanyere aka na nkwekọrịta ndọrọ ndọrọ ọchịchị na nkwekọrịta ndị agha, nke guzobere usoro nke Romania na-ekere òkè na agha ahụ. Na nzaghachi, ọ natara nkwenye nke ndị Allies maka Transylvania, Banat na ókèala ndị ọzọ nke Austria-Hungary ka ha sonyere Romania. Ndị mmadụ kwadoro ihe ahụ e mere. N'abalị iri abụọ na asaa n'ọnwa Ọgọstụ n'afọ 1916, ndị agha Romania malitere mwakpo megide Austria-Hungary, na nkwado Russia pere mpe. Ndị Rom na-awakpo ndị Rom na mbụ na Transylvania, mana mwakpo nke Central Powers mere ka ha laghachi azụ. N'ihi agha nke Bucharest
, ndị Central Powers weghaara Bucharest na 6December 1916. Agha na Moldova gara n'ihu na 1917, mana ọpụpụ Russia na agha na ngwụcha 1917 n'ihi mgbanwe nke Ọktoba pụtara na a manyere Romania ịbịanye aka na nkwekọrịta nkwekọrịta na Central Powers na 9 Disemba 1917.