They ruined all that the aboriginal children of America had accomplished.

Millions of those unfortunates were destroyed by their cruelty.

Nations that for many centuries had been living in contentment and prosperity, under institutions shown by their history to be suitable to them, were plunged into anarchy; the people fell into a baneful superstition, and a greater part of their landed and other property found its way into the possession of the Roman Church.
I have selected the foregoing illustration, drawn from American history, in preference to many others that might have been taken from European, because it furnishes an instance of the operation of the acting principle least interfered with by extraneous conditions.

European political progress is less simple than American.
QUARREL BETWEEN FRANCE AND THE PAPACY.

Before considering its manner of action, and its results, I will briefly relate how the scientific principle found an introduction into Europe.
INTRODUCTION OF SCIENCE INTO EUROPE.