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.

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.

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.

Emily Greene Balch Quotes