Answer: 4. Stacey convinces his siblings to retaliate against the bus and dig a mud hole.
Explanation:
Stacey and the other children are angry because the school bus for white children always splashes mud on them. Therefore, Stacy convinces them to dig a hole in the road so it fills with rainwater and gets the bus stuck and out of order until it´s repaired.
This scene seems to be only for comic relief but becomes a golden key when it closely leads to a lynching, showing the prevailing racial tension.
