The carnage of Ethiopia’s civil war is making its rulers less willing to compromise with Sudan and Egypt in a dispute over the imminent filling of its giant Nile dam, a Sudan official said, as his government urges the United Nations to prevent any unilateral move. With Ethiopia embroiled in an eight-month conflict in the Tigray region that’s sparked U.S. sanctions and famine conditions, authorities in the Horn of Africa country are taking a tougher line in foreign policy to bolster their domestic support, said Yasir Abbas, Sudan’s irrigation and water minister.