: Joan argues that sharing atomic knowledge was the only way to avert another world war [16]. She believes that if both sides have the bomb, neither will use it—a concept known as mutually assured destruction [8].
The original novel is often credited with deeper character work and more convincing motivations. Red Joan
Critics often praise the performances but find the pacing and tone to be somewhat standard for a period drama. : Joan argues that sharing atomic knowledge was
"The characters are vividly realized, and their manipulation of the innocent Joan into traitorous actions is built up carefully and made very believable." [24] Red Joan