What is another way to say " the reason i'm asking you this "

Who thin the context of this excerpt from act 2, scene 1, of macbeth, what is the meaning of the word multitudinous?

One of the author’s purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with . . enormous speed

Who did kipling think would read his poem? what do you think that this audience might have said in response to it?