Which reason best supports Zimmermann’s claim in The Code Book that "cryptography is about political power”? A. Governments use cryptography to protect classified information from being leaked to the public. B. Politicians use cryptography to send messages to each other about new legislation. C. Cryptography allows individuals to protect their freedom of speech in a healthy democracy. D. For thousands of years, governments and leaders of civilizations have used various forms of cryptography.

  ! i need it ! the daughters of the revolution eventually admitted african american to their hall. which best analyzes how this detail supports the meaning in "marian anderson sings"? a)it shows that african american performers would never be able to perform in some theaters. b)its show that an era of discrimination on unfair treatment of african american was finally over. c)it shows that marian anderson had ease discrimination for for african american performers. d)its shows that revolutionaries are not open to new ideas.

What are some of the images and diction used by the narrator that evoke the "dream of america"?

Stress generally occurs when someone? a. becomes overconfident b. disregards others c. feels overwhelmed