According to einstein, the cold war would end when —
choose one answer.
a. soviet citizens immigrated to the united states
b. there is cooperation and trust between people
c. there is a military war
d. the soviet union ended the arms race

hm, switch the relative; nominative and indefinite; objective ? not too bright in the knowledge of the english.

  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.

i think idk if im right but i think its d