阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
Festivals and celebrations of all kinds (hold) everywhere since ancient times．Most ancient festivals would celebrate the end of cold weather, (plant) in spring and harvest in autumn．At that time people would starve if food was difficult to find, especially during the cold winter months．
Today's festivals have many origins, some( religion) , some seasonal, and some for special people or events．Some festivals are held to honor the dead or to satisfy the ancestors, who might return either to help or to do harm．For example, the Japanese festival Obon is honored in(memorize) of their ancestors．People then should go to clean graves, light lamps and play music  they think that this will lead the ancestors back to earth．In Mexico, people celebrate the Day of the Dead in early November． this important feast day, people eat food in  shape of skulls and cakes with "bones" on them．They offer food, flowers and gifts to the deaD． The Western holiday Halloween also had origin in old beliefs about the return of the spirits of dead people．It is now a children's festival, they can dress up and go to their neighbors' homes to ask for sweets．The Dragon Boat Festival in China honors the famous ancient poet, Qu Yuan．India has a national festival on October 2 to honor Mohandas Gandhi, the leader who helped gain India's （depend) from Britain．