Mirror or Multisite WordPress website

Hello All,
I have a website and I want to “Mirror” it. If that is the langugae or is it Multisite?
I want the original website to be mirrored in Africa, Asia, America, Australia and Europe.
What does it take to put one website on all cardinal points of the world?
I will really appreciate Professional advice and help.
What will is the cost?

Mokor