Instead of directly declaring war on each other two opposing nations will often use a war in a third nation to push there agents what the name for this kind of war called

Proxy war

Explanation:

Proxy war is a war that could occasion between two states typically caused by a party who is just an instigator of hostilities, that necessitate such war. Here, a track record is always established between the disinterested and bellicose nations.

A typical example of a problem proxy war is the cold war that occasioned after the end of the world war two. United State of America is a strong participant in such proxy affairs. Participants here struggle to establish their influence using proxies as tools and cannon folders for settling scores.

whats youre

it was douglas macarthur..