For the Celts Halloween was associated with the change of the seasons.

The Celts paid the priests for their predictions.

In ancient times fires were prohibited on Halloween night.

The church strongly disapproved of Halloween celebration in America.

Halloween came to the USA only in the 20^th century.

The Irish immigrants taught Americans how to use pumpkins for Halloween ceremonies.

From the middle of the 20^th century, children have taken an active part in Halloween celebrations.

“Trick or treat” means “we wish you good luck”.