The political unity holding South Sudan together may hinge on battles over oil-producing regions along the country’s northern border, an analyst said. When it gained independence from Sudan in 2011, the landlocked country gained control over much of the oil-producing regions, but Sudan maintained its grip on export infrastructure. Conflict erupted in South Sudan in 2013 when Salva Kiir, the country’s president, accused former Vice President Riek Machar of staging a coup. Rebel forces two years on are waging battle for control over Paloch near the Sudanese border, the only part of South Sudan still producing oil. “Oil is South Sudan’s bread and butter,” Luke Patey, a researcher at the Danish Institute for International Studies in Copenhagen, told […]