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Great question!
Answer: C. To discuss plans to build an atomic bomb
Explanation: The Tehran conference goals were to plan the invasion of France, to form plans for Europe after the war, and to confirm the USSR would join the war against Japan when Germany was defeated. They never discussed plans to build an atomic bomb.
The correct answer is c. to discuss plans to build an atomic bomb
The creation of the Atomic bomb was a secret and the world found out about it when it was thrown in Japan. This was not discussed at the Tehran conference.
C: Kept in its original Latin, so Priests and scholars could read it. This was so the Catholic Church could say what ever they wanted to and the people had to believe it.