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The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
This chart shows the various lines of responsibility and how they differ in presidential and parliam
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
Environmental policy
Climate Change: Timescale decades to centuries
The fiscal policy to counter an inflationary gap is a(n)