Which of the following became China's staple crop during the Song dynasty? tea hemp rice sugar cane

During the Song dynasty, rice truly flourished and became the backbone of the Chinese diet. The introduction of early ripening rice varieties from Southeast Asia allowed for multiple harvests in a year, which significantly boosted food production and supported a growing population. Talk about a food revolution! In the bustling markets of the Song dynasty, rice wasn't just a food item; it was deeply woven into the fabric of society. Festivals often celebrated the harvest, and rice dishes became staples in celebrations and daily life alike, symbolizing prosperity and abundance. Eat up, it's a cultural feast!