There are all kinds of festivals throughout the world. Festivals are held (satisfy) and please the ancestors, to honour some famous people or important events, and to express people's (grateful) to the God brings them a year of plenty. For example, Japanese observe Obon, people go to clean the graves and light incense in memory of their ancestors. In India, October 2 is national festival to honour Mohandas Gandhi who helped India become an (depend) country.
And in China the Spring Festival, which (celebrate) in January or February, is the most (energy) and important because it is a festival that looks forward to the coming of spring. Why are all these festivals everywhere? Because the festivals, people can get together to eat, drink, have fun with each other forget all the daily struggle and demands for a while.