React v. t. : To act or perform a second time; to do over again; as, to react a play; the same scenes were reacted at Rome.

React v. i. : To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.

React v. i. : To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.

Example:
How will you React if and when Obama has to threaten Iran with a military or nuclear attack?

Taxonomy
REACT International, CB, radios, Emergency, logos, REACT Teams, Disaster Recovery Planning, Radio Emergency, Radio Emergency Channel, Citizens Band Radio, GMRS, NOAA, VOAD, NVOAD, MOU, MOA, Memorandum, Salvation Army.

Defination from the web:
Radio Emergency Associated Communications Teams are volunteers who are organized internationally and use CB radios to provide public service communications for travelers.