Which of the following was true of the Song dynasty?

The Song dynasty, which lasted from 960 to 1279, is often celebrated for its remarkable advancements in technology, culture, and economics. This period saw the invention of movable type printing, which revolutionized information dissemination, and significant developments in agriculture, such as the introduction of new rice varieties that increased crop yields. Urbanization flourished, leading to the rise of bustling cities and vibrant trade networks both domestically and internationally. Additionally, the Song dynasty was known for its emphasis on art and culture. The era produced stunning works of landscape painting and poetry, with scholars and artists enjoying elevated status in society. The civil service examination system was refined, making education and merit the pillars of governmental appointments, which allowed for a more sophisticated and literate bureaucracy.