Analysis of information sources in references of the Wikipedia article "Interstellar war" in English language version.
As a scientist, many of Arthur C Clarke's predictions for the future came true. Terminology aside, Clarke arguably did more than any other author since HG Wells and Jules Verne to catapult his mind into the future, taking a vast global readership along with him for the invariably wild ride.
...interstellar wars will be extremely rare, much rarer than warfare has been on Earth. This will be a consequence of the enormous distances between the stars and large travel times between civilizations... a typical civilization might be involved in a major war only once in 50,000 years, perhaps much longer.
But there are three huge problems with this plan, and combined, they could be tantamount to a declaration of interstellar war. It could be the first shot fired in a catastrophic interstellar war.
But the other two strategies are more common historically and would probably guide the course of an interplanetary war.
