Complex sentence: The Turkish traveler writer Evliya Çelebi mentions the impact of Cossack raids from Azak upon the territories of the Crimean Khanate, these raids ruined trade routes and severely depopulated many important regions.
Split into simpler sentences: The Turkish traveler writer Evliya Çelebi mentions the impact of Cossack raids from Azak upon the territories of the Crimean Khanate. These raids ruined trade routes and severely depopulated many important regions.