Which detail best supports the passage's central idea

c -invasion by the moroccans.

answer; i believe that the correct answer is (scientific data);

fears about being blown up

  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.