Complex sentence: In the Hellenistic era, following the conquest of Anatolia by Alexander the Great, Greeks began to settle in the mountainous regions of Cappadocia, this Greek population movement of the 3rd and 2nd centuries BC solidified Greek presence in Cappadocia.
Split into simpler sentences: In the Hellenistic era, following the conquest of Anatolia by Alexander the Great, Greeks began to settle in the mountainous regions of Cappadocia. This Greek population movement of the 3rd and 2nd centuries BC solidified Greek presence in Cappadocia.