the National Grange
This is the correct answer from the choices above, I just took the test and got it wrong because I chose the "verified" answer.
Answer: The trial and execution of Julius and Ethel Rosenberg for passing atomic ... To this day, historians and scientists debate how much espionage sped up the ... In 1951, Julius and his wife Ethel were tried and convicted of espionage for ... Decrypted cables revealed this information through the Venona project.