A Copperhead.
Are you asking about the "rules of war" like the Geneva Convention (the do's and don'ts) or about the "principles of war"...like "Surprise" and "Unity of command", etc. If you're asking about the latter: go to sites: 1. Sun Tzu (Art of War) 2. Clauswitz (Art of War).
The Spanish-American War resulted from an attempt to enforce the principles expressed by the Monroe Doctrine. The United States sought to prevent European colonization and interference in the Western Hemisphere and saw Spanish control over territories like Cuba as a violation of this doctrine.
Many wars have been given this title. It depends on your criteria. The American Civil War was the first war that was widely photographed, and where large troop-numbers were transported to the battlefield by rail. The first military use of the telegraph and of rifle-barrelled artillery also changed front-line tactics. Sherman, in particular, has been called the first modern General, because of his 'scorched earth' strategy, which shortened the war by many months, at minimal casualties.
Work on building ENIAC began in 1943, if that is what you mean.ENIAC was invented in late 1942 by Presper Eckert & John Mauchly, but many of the principles they used were derived without credit from prior work of John Vincent Atanasoff prior to the war.
Traditional Principles of War
Traditional Principles of War
Traditional Principles of War
Traditional Principles of War
There are 8 RS principles under the UN Principles of RS.
Self Determination
Gospel Principles has 290 pages.
Principles of Economics has 285 pages.
Punishable by court-martial
A violation of the Geneva Convention.
The Pollyanna Principles by Hulme has 288 pages.
A Copperhead.