Ghost declaration of war

A ghost Declaration of War is when one alliance (A1) declares war on another alliance (B2) with no intentions of fighting alliance but allowing their allies (A2) to enact optional aggression clauses in their treaties to declare war on the B2 alliance. It's used either offensively or defensively.

Examples of ghost Declarations of War
In the Equilibrium War, Mushroom Kingdom's ally, The Order of the Paradox, needed additional assistance on their front of the war and all of TOP's allies were already fighting beside them (minus OG and OBR). MK then (a ghost dow) on GLOF, thus allowing MK's ally, Alchemy to come to TOP's aid by  on GLOF via the offensive war pact in the Alchemy/MK treaty,. Even though MK was technically at war with GLOF there were very few if any GLOF-MK wars.
 * Defensive exacmple


 * Offensive use