Ow do companies use global strategy to gain competitive advantage?

This is the question that should be answered:
How do companies use global strategy to gain competitive advantage?

I will attach a file where all the required readings will be listed. Also, please make sure that you provide me with a well structured essay that has good points through out. Focus on actually answering the questions rather than just including information that is not necessary. Focus on actually having evidence for the points you point out. Include examples where necessary. This essay accounts for a lot so please make sure it is well written.