Question

How did the Qin dynasty improve safety in China?

O The Qin made laws banning foreigners from China.
O The Qin built a defensive wall to protect from invasion.
O The Qin built seaport walls to defend against foreign raids.
The Qin required military training for all Chinese citizens.

Answer 1

The Quin Dynasty were responsible for creating the Great Wall Of China. This wall was ginormous and helped China stay safe from any enemies.