Question

review the fourth and fifth paragraphs
scary pranks and tricks, bobbing for apples, and lighting bonfires. the popular custom of dressing in costume also came from the celts. they believed that the ghosts of the departed would roam the fields and roads near their homes on this night. afraid of encountering these other wordly beings on their way to and from the celebrations, the celts began to wear masks and other ghostly gear. this was meant to fool the spirits into believing that the festival attendees, too, were from the spirit world.
ancient celts and contemporary americans are not the only people with holidays and customs focused on spirits and ghostly visitors. the practice of trick or treating resembles a tradition in other parts of europe of leaving food on doorsteps; this was intended to prevent wandering spirits and fairies from
how do the fourth and fifth paragraphs work together?
they describe the origin of many modern - day halloween customs and then explain how these customs have changed over time.
they describe customary halloween practices in the united states and then compare them to christian festival traditions.
they explain the origin of many contemporary halloween traditions and then add information about similar customs in other cultures.

Explanation:

The fourth paragraph explains the origin of Halloween customs (like dressing in costume) from the Celts. The fifth paragraph then shows similar customs (trick - or - treating compared to leaving food on doorsteps in Europe) in other cultures. So the two paragraphs first explain the origin of contemporary Halloween traditions and then add info about similar customs in other cultures.

Answer:

They explain the origin of many contemporary Halloween traditions and then add information about similar customs in other cultures.