 Complete the following phrase:  The economy of Yemen is one of the poorest and least-developed in the world. At the time of unification, South Yemen and North Yemen had vastly different but equally struggling underdeveloped economic systems. Since unification, the economy has been forced to sustain the consequences of Yemens support for Iraq during the 199091 Persian Gulf War: Saudi Arabia expelled almost 1 million Yemeni workers, and both Saudi Arabia and Kuwait significantly reduced economic aid to Yemen. The 