Why doesn't wells choose a more familiar enemy to launch an attack on england, instead of martians, in the war of the worlds?

He wanted to show what happens when a country is caught unaware by an enemy!!

wake*

explanation:

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.