What did the Qin dynasty develop that helped unify China? (1 point)

O
Terra-cotta statues
O Common spoken and written language
O Silk manufacturing
O Yin yang

The Qin dynasty developed the common spoken and written language that helped unify China.

The Qin dynasty developed a common spoken and written language that helped unify China.

To find out what the Qin dynasty developed that helped unify China, let's examine the options provided:

Option O: Terra-cotta statues. The Qin dynasty is indeed famous for its elaborate terracotta army, which was created to accompany the first emperor, Qin Shi Huang, in the afterlife. However, while these statues are significant in terms of historical and cultural importance, they did not directly contribute to the unification of China.

Option O: Common spoken and written language. This is a significant development associated with the Qin dynasty's efforts to unify China. During their reign, they standardized the written script and implemented the Qin Script, which laid the foundation for the unified Chinese script that is still used today.

Option O: Silk manufacturing. Although silk was a valuable commodity during the Qin dynasty and played a role in their economy, it did not directly contribute to the unification of China.

Option O: Yin yang. The concept of yin and yang was not specifically developed by the Qin dynasty; it is an ancient philosophical concept that predates the Qin dynasty by centuries. While it influenced Chinese thinking and culture, it did not play a direct role in the unification of China.

Considering the above options, the correct answer is:

Common spoken and written language.

The Qin dynasty's development of a standardized script and language greatly facilitated communication and administrative governance, contributing significantly to the unification of China.