治
Meanings
1. to rule
2. to govern
3. to manage
4. to control
5. to harness (a river)
6. to treat (a disease)
7. to wipe out (a pest)
8. to punish
9. to research
Characters used
Examples2
中国
There is a stark contrast between China's order and the chaos of the West.
防
Prevention is better than cure.