Answer:
B) legalism
Step-by-step explanation:
Qin Dynasty
Qin- known as a cruel ruler (CHEENG), used legalism - strict laws
Qin
Pros- developed standard measurements created national coins, major work on canals and roads
Cons- tortured, jailed, or killed those who did not support them 
Greatest Achievements
The GREAT WALL
HAN Dynasty
HAN- replaced the harsh laws of the former Qin Dynasty
- Developed a civil service system
 - Used the teachings of Confucius
 
- The system lasted over 2,000 years
 
Han Dynasty - The most advanced civilization of its time
- Make paper out of wood pulp
 - Invented the wheelbarrow
 - Fishing reel
 - The rudder (used to steer ships)
 - Acupuncture (treatment with needles used to reduce pain)