Question

is there a sentence fragment? obon is a traditional japanese buddhist festival. because the festival honors the spirits of family members who have died, many people spend it with family and friends.

Explanation:

A sentence fragment is an incomplete sentence. The given text "Is there a sentence fragment? Obon is a traditional Japanese Buddhist festival. Because the festival honors the spirits of family members who have died, many people spend it with family and friends." is a complete - thought and not a fragment.

Answer:

no