Answer: The spread of nuclear weapons. The proliferation of chemical weapons, supplies, and technology.
Explanation:
(looked up on g o o g l e)
The stress that Anne's mother has that other residents most likely don't have is her cold and uncaring nature.
<h3>What is the relationship between mother and daughter?</h3>
It is a strained one that affects them because Anne's mother does not know how to show love and care and Anne eventually hates her.
Hence, we can see that Anne's mother is different from other residents as she does not know how to show love to her daughter and her daughter avoids her.
Read more about The Diary of Anne Frank here:
brainly.com/question/16787697
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The answer to your question is 2.4