He adds, "This principle may account for the fact that those branches of a race achieve the most brilliant success which have wandered the farthest from their ancestral home....

The Arabs and Moors that skirted Africa and won a home in far-away Spain, developed the most brilliant of the Saracen civilizations.

Hebrews, Dorians, Quirites, Rajputs, Hovas were far invaders.

No communities in classic times flourished like the cities of Asia created by the overflow from Greece.
Nowhere under the Czar are there such vigorous, progressive communities as in Siberia."[138] Brinton distinguishes the associative and dispersive elements in ethnography.

The latter is favored by the physical adaptability of the human race to all climates and external conditions; it is stimulated by the food-quest, the pressure of foes, and the resultant restlessness of an unstable primitive society.[139] The earth's surface is at once factor and basis in these movements.