lared the state religion to again be Ethiopian Orthodox Christianity, and expelled the Jesuit missionaries and other Europeans.
Aussa Sultanate
The Aussa Sultanate or Afar Sultanate succeeded the earlier Imamate of Aussa. The latter polity had come into existence in 1577, when Muhammed Jasa moved his capital from Harar to Aussa with the split of the Adal Sultanate into Aussa and the Harari city-state. At some point after 1672, Aussa declined and temporarily came to an end in conjunction with Imam Umar Din bin Adam's recorded ascension to the throne.
The Sultanate was subsequently re-established by Kedafu around the year 1734, and was thereafter ruled by his Mudaito Dynasty. The primary symbol of the Sultan was a silver baton, which was considered to have magical properties.
Zemene Mesafint
Between 1755 to 1855, Ethiopia experienced a period of isolation referred to as the Zemene Mesafint or "Age of Princes". The Emperors became figureheads, controlled by warlords like Ras Mikael Sehul of Tigray, Ras Wolde Selassie of Tigray, and by the Oromo Yejju dynasty, such as Ras Gugsa of Begemder, which later led to 17th century Oromo rule of Gondar, changing the language of the court from Amharic to Afaan Oromo.
Ethiopian isolationism ended following a British mission that concluded an alliance between the two nations; however, it was not until 1855 that Ethiopia was completely united and the power in the Emperor restored, beginning with the reign of Emperor Tewodros II. Upon his ascent, despite still large centrifugal forces, he began modernizing Ethiopia and recentralizing power in the Emperor, and Ethiopia began to take part in world affairs once again.
But Tewodros suffered several rebellions inside his empire. Northern Oromo militias, Tigrayan rebellion and the constant incursion of Ottoman Empire and Egyptian forces near the Red Sea brought the weakening and the final
