Technology gives us the facilities that lessen the barriers of time and distance - the telegraph and cable, the telephone, radio, and the rest.
Industrialization based on machinery, already referred to as a characteristic of our age, is but one aspect of the revolution that is being wrought by technology.
These wars appear also to have given its death blow to colonialism and to imperialism in its colonial form, under which weaker peoples were treated as possessions to be economically exploited. At least we hope that such colonialism is on the way out.
Another cause of change, one less noticeable but fundamental, is the modern growth of population closely connected with scientific and medical discoveries. It is interesting that the United Nations has set up a special Commission to study this question.
Probably people always feel that they are living in a time of transition, but we can hardly be mistaken perhaps in thinking that this is an era of particularly momentous change, rapid and proceeding at an ever quickening rate.
A second characteristic of our time is the prevalence of nationalism. This is still spreading, affecting new communities, more peripheral regions and so-called backward peoples.
The First World War, and especially the latest one, largely swept away what was left in Europe of feudalism and of feudal landlords, especially in Poland, Hungary, and the South East generally.
A third ideal that has made its way in the modern world is reliance on reason, especially reason disciplined and enriched by modern science. An eternal basis of human intercommunication is reason.
The question whether the long effort to put an end to war can succeed without another major convulsion challenges not only our minds but our sense of responsibility.
A major one which no one can overlook is technological and based on inventions and discoveries which have altered the whole basis of production and deeply affected social relations.
The future will be determined in part by happenings that it is impossible to foresee; it will also be influenced by trends that are now existent and observable.
We speculate as to what is in store for us. But we not only undergo events, we in part cause them or at least influence their course. We have not only to study them but to act.
A dark and terrible side of this sense of community of interests is the fear of a horrible common destiny which in these days of atomic weapons darkens men's minds all around the globe.
Men who are scandalized at the lack of freedom in Russia do not ask themselves how real is liberty among the poor, the weak, and the ignorant in capitalist society.