Final answer:
The Jōmon invented pottery approximately 14,500 years ago, making it an early development in the history of Jōmon Japan.
Step-by-step explanation:
The Jōmon group in Japan were responsible for inventing new technologies such as pottery to adapt to climate changes that began around twelve thousand years ago. Pottery played an essential role in the Jōmon culture, as the practice of creating pottery vessels dates back to about 14,500 BCE. The people of the Jōmon period used these vessels for various purposes, including the storage of food and as part of their rituals, suggesting that pottery appeared early in their history.