In current political-science and international-relations theory, a rentier state is a state which derives all or a substantial portion of its national revenues from the rent paid by foreign individuals, concerns or governments.Rentier state theories have now become a dominant frame of reference for studies of resource-dependent countries in the Gulf and wider Middle East and North African region,but are also used to analyse other forms of rentierismConsequently, in these resource-rich rentier states there is a challenge to developing civil society and democratization. Hence, theorists such as Beblawi conclude that the nature of rentier states provides a particular explanation for the presence of authoritarian regimes in such resource rich states
The technological and industrial history of the United States describes the United States' emergence as one of the most technologically advanced nations in the world. The availability of land and literate labor, the absence of a landed aristocracy, the prestige of entrepreneurship, the diversity of climate and a large easily accessed upscale and literate free market all contributed to America's rapid industrialization. The availability of capital, development by the free market of navigable rivers, and coastal waterways, and the abundance of natural resources facilitated the cheap extraction of energy all contributed to America's rapid industrialization
Ming Emperor Hongwu (Ju Yuanzhang) became emperor after the mongols were driven out of China.
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