Before revision: Trading routes dating from the ancient and early medieval periods of Somali maritime enterprise were strengthened or re-established, and foreign trade and commerce in the coastal provinces flourished King Jaja of Opobo Jaja of Opobo King Jaja of Opobo (1821–1891) was an Ijaw monarch.
After revision: Trading routes dating from the ancient and early medieval periods of Somali maritime enterprise were strengthened or re-established, and foreign trade and commerce in the coastal provinces flourished King Jaja of Opobo Jaja of Opobo King Jaja of Opobo (1821–1891) was an Igbo monarch.