The exploration of Marco Polo and the Crusades.
I would go with D. <span>computers.</span>
The goyim forced them to relocate to ghettos then work in labor camps .
Answer:
The combination of increasing imperialist demands (from both Japan and the West), frustration with the foreign Manchu Government embodied by the Qing court, and the desire to see a unified China less parochial in outlook fed a growing nationalism that spurred on revolutionary ideas.