During the age of discovery, which country controlled the western lands of north and south america? a. portugal b. germany c. spain d. italy

Urgently need to do with 1-20. you very much!

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

Examine the public service ad. how does this ad transmit a cultural value? by sharing relevant high school graduation statistics by promoting a new type of educational program by reminding the public of the need for new schools by encouraging people to strive for more education