Assume that Confucianism is a religion; how is it one? What about Confucianism makes it religious even though there is no focus on gods or life after death?

There are some who think Confucianism is not a religion. God or the gods are not central, life after death is no emphasized, and the whole focus is on good society and good people here on earth. For this assignment, assume that Confucianism is a religion; how is it one? What about Confucianism makes it religious even though there is no focus on gods or life after death?

500 word minimum.