Answer:
Qin Shi Huangdi
Step-by-step explanation:
What Did Shi Huangdi do to Unify China? "Shi Huangdi decided to connect the many scattered walls that other states had built, unifying them into the Great Wall of China. The cost to build the Great Wall was substantial, with up to one million people dying while building it. Additionally, it was too expensive to man the wall permanently.."