For the next decades, Africa remained tranquil, allowing it to recover. Peace might not have lasted as long, had not Troglita perceived that the complete eviction of the Mauri from the interior of the provinces, and the complete restoration of the province to its ancient bounds was impossible. Instead, he opted to accommodate himself with the Moors, promising them autonomy in exchange for becoming the Empire's "foederati". The loyalty of these dependent princes of the various Moorish tribes was secured by means of annual pensions and gifts, and the peace was kept by a strong network of fortifications, many of which still survive to the present day.