Question

allowed them to escape a fire
made the neighbors complain
kept the family awake all night
helmutt and his barking rescued his sleeping family.

Explanation:

The statement "Helmutt and his barking rescued his sleeping family" matches the outcome of allowing the family to escape a fire, as the barking would alert the sleeping family to the danger. The other two options are negative outcomes unrelated to a rescue.

Answer:

allowed them to escape a fire