Simplify the following text for a Grade 10 native English-speaking person.
Original: Yehud was absorbed into the subsequent Hellenistic kingdoms that followed the conquests of Alexander the Great , but in the 2nd century BC the Judaeans revolted against the Hellenistic Seleucid Empire and created an independent Hasmonean kingdom .
Simplified: Yehud was absorbed into the subsequent Greek-ruled kingdoms which followed the conquests of Alexander the Great .