The waterways of ancient Iraq were crucial to its prosperity. While they were maintained, Iraq and neighbouring Khuzistan, in southwest Iran, were the richest and most productive agricultural areas of the Middle East, supporting the Sasanian, Umayyad and Abbasid empires. When the waterways changed or fell into decay, both the prosperity and the political role of Iraq largely di...(展开全部)

The waterways of ancient Iraq were crucial to its prosperity. While they were maintained, Iraq and neighbouring Khuzistan, in southwest Iran, were the richest and most productive agricultural areas of the Middle East, supporting the Sasanian, Umayyad and Abbasid empires. When the waterways changed or fell into decay, both the prosperity and the political role of Iraq largely di...(展开全部)

Ethical concepts are, or purport to be, normative. They make claims on us: they command, oblige, recommend, or guide. Or at least when we invoke them, we make claims on one another; but where does their authority over us - or ours over one another - come from? Christine Korsgaard identifies four accounts of the source of normativity that have been advocated by modern moral phil...(展开全部)

Ethical concepts are, or purport to be, normative. They make claims on us: they command, oblige, recommend, or guide. Or at least when we invoke them, we make claims on one another; but where does their authority over us - or ours over one another - come from? Christine Korsgaard identifies four accounts of the source of normativity that have been advocated by modern moral phil...(展开全部)

The Sources of Modern Architecture and Design