1- "How do you comprehend tension between Persian Empire and Ancient Greece?" Relate your answer to your present situation. 2- Alexander's decisions opened a way for a world to enter into the age of...

1- "How do you comprehend tension between Persian Empire and Ancient Greece?" Relate your answer to your present situation.
2- Alexander's decisions opened a way for a world to enter into the age of pre industrial period. How do you understand this situation?