In 1977, Srila Prabhupada wrote the following in his Srimad bhagavatam commentary. The same applies to today's events when the two super powers USA and Russia are flirting with the idea of nuclear armageddon. When the world is overburdened by unnecessary military arrangements and when various demoniac kings are the executive heads of state, this burden causes the appearance of the Supreme Personality of Godhead. As the Lord says in Bhagavad-gita (4.7):
yada yada hi dharmasya
glanir bhavati bharata
tadatmanam srjamy aham
"Whenever and wherever there is a decline in religious practice, O descendant of Bharata, and a predominant rise of irreligion -- at that time I appear Myself." When the residents of this earth become atheistic and godless, they descend to the status of animals like dogs and hogs, and thus their only business is to bark among themselves. This is dharmasya glani, deviation from the goal of life. Human life is meant for attaining the highest perfection of Krsna consciousness, but when people are godless and the presidents or kings are unnecessarily puffed up with military power, their business is to fight and increase the military strength of their different states. Nowadays, therefore, it appears that every state is busy manufacturing atomic weapons to prepare for a third world war. Such preparations are certainly unnecessary; they reflect the false pride of the heads of state. The real business of a chief executive is to see to the happiness of the mass of people by training them in Krsna consciousness in different divisions of life. Catur-varnyam maya srstam guna-karma-vibhagasah (Bg. 4.13). A leader should train the people as brahmanas, ksatriyas, vaisyas and sudras and engage them in various occupational duties, thus helping them progress toward Krsna consciousness. Instead, however, rogues and thieves in the guise of protectors arrange for a voting system, and in the name of democracy they come to power by hook or crook and exploit the citizens. Even long, long ago, asuras, persons devoid of God consciousness, became the heads of state, and now this is happening again. The various states of the world are preoccupied with arranging for military strength. Sometimes they spend sixty-five percent of the government's revenue for this purpose. But why should people's hard-earned money be spent in this way? Because of the present world situation, Krsna has descended in the form of the Krsna consciousness movement. This is quite natural, for without the Krsna consciousness movement the world cannot be peaceful and happy.
SB 10.1.17 purport