What massivebulidings projects did she huangdi order to unify china?

Emperor Qin Shi Huang, often referred to as Huangdi, ordered several massive building projects to unify China, most notably the construction of the Great Wall. This monumental effort aimed to protect against invasions and consolidate territories. Additionally, he initiated the creation of a vast network of roads and canals to facilitate trade and communication across the empire. The Terracotta Army, built to accompany him in the afterlife, also exemplified the scale and ambition of his projects.