Regional cold war of lran and Arabia in the Yemen(2011-2020)

The rivalry lran and Arabia has tention Strongly Due to Yemen crisis in past yeards. Yemen as back yard has strategic lmportance for Riyadh and capture Sana capital Yemen by Houthis that from view of intellectual are affected from lslamic Revolution has take away restful sleep from saudi authories and lran to accused to military and Political support from Yemen Ansarullah.Target Research is surrvey strategic rivalry lran and Arabia in Yemen. The question this Research is, what from is the Regional rivalry between lran and Arabia in the crisis in Yemen from 2011 to 2020 depicted? For answer this question, in this Research will be paid from the theoretical approach of structural realism and specially from the approach of threat balance Walt and explanatory method and whit use the the Resources of Library and Internet. Hypothesis us is the strategic rivalry of lran and Arabia can to draw in format "Regional cold war" in awah historical and religious conflicts has Led to Geopolitical rivalry eventually to proxy war in the Yemen. In this regard, perception of threat by Arabia in expansion influnce of lran lncreased tension in their relationships.