A Burger

Read this:

https://www.aljazeera.com/programmes/ajeats/2016/01/rise-pakistan-burger-generation-160111120304597.html

and learn the impact of the word 'burger' on a society and how in 1980, the Raza brothers introduced their country Mr. Burger and how this underpinned their prosperity.

But above all learn how they studied the know how of running a fast food joint by being employees of McDonald in Hartford, Connecticut after McDonald refused to accept them as franchisee. 

And finally in 1995 McDonald came and open the first outlet in Pakistan.