1) Jack and the animals became friends because they helped each other.
2) Jack thought that the men in the house were robbers because they were hiding and carrying bags.
3) Jack and his friends were not afraid of them because they were brave and resourceful.
4) The robbers were frightened because Jack and his friends made loud noises and appeared in large numbers.
5) The robbers never went to the house again because they were scared of Jack and his friends.