The central idea of the paragraph from "The Code Book" is expressed by "Breaking the RSA code is the greatest challenge for cryptanalysts."
The meaning of the cryptanalysts is that someone who break the codes.
Despite the enormous strength of RSA and other modern ciphers, cryptanalysts are still able to play a valuable role in intelligence gathering. Their success is evidenced by the fact that cryptanalysts are in greater demand than ever before—the NSA is still the largest employer of mathematicians in the world.
Hence, the correct answer is "Breaking the RSA code is the greatest challenge for cryptanalysts."
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Answer:
The leadership on the farm is a dictatorship. The pigs have all the power and choose who lives and dies. They also much like the Russian government take everything for themselves and make the people of lesser status do all of the work.
The answer would be C: Secession defied the principles of the Confederacy.
B. The passge doesn't say anything about how the snow makes her feel.