The Initial Catalyst Fueling the Imperialist Race by European Powers

The initial catalyst fueling the imperialist race by European powers in the first half of the nineteenth century had its origins in _________ in the late eighteenth century designed to drive the Ottomans back into Asia and convert Istanbul into an Eastern Christian capital.

A) Great Britain's imperialist policies
B) Napoleon's imperialist policies
C) Russia's southern expansion pattern
D) Prussia's eastern expansion pattern