Which of the following about the great wall of china is true. A: The ming dynasty relied on the great wall of China to fend off a nomadic tribe called Xiongnu B: The great wall of china can trace its origins back to the seventh century BC. C: Shih Huangdi's Great wall of China was built with solid stones, not packed earth. D: "Wan li Qang Qing" means "100,000 Li Long Wall" in Chinese... BEST ANSWER QUICKLY GETS BRAINLIEST
