The period treated in this volume is highlighted by the slow retreat of nomadism and the progressive increase of sedentary polities owing to a fundamental change in military technology: Furthermore, this period certainly saw a growing contrast in the pace of economic and cultural progress between Central Asia and Europe. The internal growth of the European economies and the influx of silver from the New World gave Atlantic Europe an increasingly important position in world trade and caused a major shift in inland Asian trade. Thus, 1850 marks the end of the total sway of pre-modern culture as the extension of colonial dominance was accompanied by the influx of modern ideas.