How did the hellenistic era reflect and diverge from alexanders intentions for his empire

He wanted everyone to come together and be one government. He even married two Persian women in order to demonstrate his hellenistic era. He accomplished his goal in the hellenistic era. 

I know this isn't a lot of information, but I hope this helps a little bit:) 

Feel free to comment and I will try to help out more if you have another specific question. 

The american civil war