Correct Answer: Release

Solution : The correct choice is the second option.

The word suppress implies the action of restraining, holding back, or preventing something, and its opposite, release , denotes the act of setting something free, allowing it, or making it available.

The meanings of the other options are as follows:

• Abolish : This term implies putting an end to something.
• Quash : This term is related to suppressing legal actions or opposition.
• Contain : This term means restricting or confining something within limits.

Therefore, the right answer is release .