Match the terms with their meaning: <br>
1. Confidence Building Measures (CBMs) <br>
2. Arms Control <br>
3. Alliance <br>
4. Disarmament <br>

(a) Giving up certain types of weapons. <br>
(b) A process of exchanging information on defence matters between nations on a regular basis. <br>
(c) A coalition of nations meant to deter or defend against military attacks. <br>
(d) Regulates the acquisition of development of weapons.