The torpor of the East, like some paralyzing poison, stole into their souls, and they fell into a drowsy slumber only to dream in the land they had formerly wrested from its possessors.

Their birthright passed with their cousins into the West.
In the case of the Altaic races which we are considering, cause and effect mutually strengthened each other.

That they did not travel more is due primarily to a lack of enterprise consequent upon a lack of imagination, and then their want of travel told upon their imagination.
They were also unfortunate in their journeying.

Their travels were prematurely brought to an end by that vast geographical Nirvana the Pacific Ocean, the great peaceful sea as they call it themselves.

That they would have journeyed further is shown by the way their dreams went eastward still.