Which element of Chinese culture spread throughout the world? I think it was gunpowder and Buddhism

Yes, gunpowder was invented in ancient China and eventually spread to other cultures around the world, leading to significant advancements in weaponry and warfare. Buddhism, which also originated in India but spread to China and East Asia, has also had a profound global influence as a major world religion. Both of these elements of Chinese culture have had a significant impact on the world at large.