What country is the origin of rice cakes?

Rice cakes have origins in several countries across Asia, with notable contributions from China and Japan. In China, rice cakes, known as "niangao," have been a traditional food for centuries, often associated with celebrations. In Japan, "mochi" is a popular rice cake made from glutinous rice, also with deep cultural significance. Overall, while rice cakes can be found in various forms worldwide, they are particularly rooted in Asian culinary traditions.