I'm pretty sure its the french
Answer:
After 1354, the Ottomans crossed into Europe and with the conquest of the Balkans, the Ottoman beylik was transformed into a transcontinental empire. The Ottomans ended the Byzantine Empire with the 1453 conquest of Constantinople by Mehmed the Conqueror.
Explanation:
Lack of political maturity & no executive power
Well isolationism is when ur isolated from everything or everyone. Ur pretty much independent to ur self.