This skepticism about the new peace agreement is buttressed by the frequent and flagrant violation of the last cease-fire agreement , signed in 2004 , by the rebels and the government in Darfur , the arid region in western Sudan that has been racked by a brutal ethnic and political conflict since 2003 .
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Darfur /location/administrative_division/country Sudan
Sudan /location/country/administrative_divisions Darfur
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