Along with the competition by outside players has come greater leverage for Horn of Africa countries, whose elites have long been adept at playing external patrons off one another. Ethiopia has to some degree succeeded in diluting Abu Dhabi's reliance on its enemy, Eritrea, by supporting its plans for the Berbera port. In 2015, after losing access to Djibouti for military operations, the UAE constructed a base in the coastal Eritrean city of Assab, which has been vital to its operations in southern Yemen. By supporting the UAE's military and commercial infrastructure plans in Somaliland, Ethiopia — the Horn of Africa's largest and most powerful country — also contributed to the fracturing of Somalia by encouraging the de facto consolidation of Somaliland's independence