Unfortunately, all leaders tend to have larger ambitions. They always present delusions of grandeur and as soon as they encounter others in the same leader the other methods except the war they have no choice. Moreover, they do not fight and are therefore not afraid to be killed or wounded.
That is not true. Perhaps that was the case a few decades back. But nowadays, the political leaders can't afford to alienate the general population by taking one-sided decisions. The people are more aware about the current affairs and politics, thanks to the internet and social media. It is not possible to control them by hiding the facts.