Complex sentence: The Turkic-speaking population of Crimea had mostly adopted Islam by the 14th century, following the conversion of Ozbeg Khan of the Golden Horde, often engaging in conflicts against Moscow, and were thus extremely averse to the Russian rule.
Split into simpler sentences: The Turkic-speaking population of Crimea had mostly adopted Islam by the 14th century, following the conversion of Ozbeg Khan of the Golden Horde. They often engaged in conflicts with Moscow, and were thus extremely averse to the Russian rule.