4. What unusual thing happens to Ralph after Jack leaves and after he realizes

most of the biguns have left? WHat is the significance of his reaction?

What happened is that Jack and the biguns abandoned Ralph and now Ralph is feeling the pressure.

Explanation:

What happens to Ralph after Jack and the Biguns left is that he felt scared and realized that maybe Jack's forms were not that bad.

Now Ralph will have to be in charge and that creates a lot of pressure. The most significant thing about this is that he wants to conform himself saying that anyway "they were always causing problems" but the reality is that he is worried inside and uses this phrase to calm himself down.