Answer:
to begin building the Great Wall and gain public support
Explanation:
Qin Shihuangdi was an emperor of the Qin dynasty who ruled between 221 to 210 BCE and he was known for his obnoxious acts such as a belief in immortality and building a great wall to keep invaders at bay.
Therefore, one of his goals for the Qin dynasty was to begin building the Great Wall and gain public support