1967 was, of course, a time of great change in American society: the Summer of Love, the Vietnam War, the civil-rights movement, everything else.
In America, this happened, of course, at a time of national outrage, and of real, if unrealistic, fear that Pearl Harbour was the prelude to a Japanese invasion.
Those later years are, of course, a time of adjustments.
The 1800s were of course a time of blatant racism, and many authors reflected that by depicting fictional characters of color in horribly stereotyped ways.
Sleep-away camp, of course, is a time of rustic simplicity and extremely close contact: 8 to 10 campers in a snug cabin is the norm.
Of course in a time of economic decline one would expect an increase in crime and homelessness.
Of course, at a time of recession and increasing unemployment, that can be a sensible thing to do.
As for the latter, it can be neglected if over the course of time A i/(A i + 1) ≃ 1 (large number of autoinducer molecules).
Dulce et decorum est … The new year is, of course, a time for the fevered incubation of unrealistic ambitions.
The thought goes: If natural selection modifies a species enough, over the course of time a new species will inevitably emerge.
