 Complete the following phrase:  Following the Arab Spring and the Yemeni Revolution, Ali Abdullah Saleh was forced to step down as president in 2012. Subsequently, a complex and violent power struggle broke out between three national alliances: 1 Ali Abdullah Saleh, his political party General Peoples Congress, and the Houthis; 2 Ali Mohsen al-Ahmar, supported by the political party Al-Islah; 3 Abdrabbuh Mansur Hadi, supported by the Joint Meeting Parties. According to Ibrahim Fraihat, Yemens conflict has never been about sectarianism, as the Houthis were originally motivated by economic and political grievances. However, in 2014, the regional context substantially changed. The 