Antonym of SUBJUGATE

Answer: Option B

Subjugate : bring under domination or control, especially by conquest.
Enrich : improve or enhance the quality or value of.
Liberate : set (someone) free from imprisonment, slavery, or oppression.
Enslave : make (someone) a slave.
Free : able to act or be done as one wishes; not under the control of another.

Antonym of Subjugate is Liberate