Having control of the Yellow River plain, it was a secure base for protection from attacks. Succeeding to the throne at age 13, Qin was ambitious and vigorous. His goal was to destroy the remaining six territorial states, and conquer new territory including modern day Vietnam and Guangzhou. During his reign, Qin constructed the Great Wall. Qin followed a Legalist approach when governing. China was divided into forty prefectures, which further divided in counties. A head, the head governed by prefects and then to the central government, governed the counties. Unlike the Republic government system in Rome, officials in China were chosen based on their ability. In the Qin dynasty, the bureaucratic administration applied to everyone. Under Qin, a uniform measuring system was established as well a unified writing system and standard ideographs. Books on Confucianism were burned, and anyone who opposed the Legalist system was buried alive. Compared to the Ceasar’s policies, Huangdi’s deployed his policies at a much more rapid pace. The construction of roads, canals and the Great Wall put great amount of taxation on the people. The people of China felt oppressed and terrified under Huangdi’s rule. After his death, the dynasty faced rebellions and came to end in 206