By contrast, Europeans and their American descendants had been driven by the impulse to change the unsatisfactory, to act, to move away from oppression, to find the frontier, to cross the sea. They were optimists who believed in the efficacy of action. The people of China, on the other hand, had stayed in one place, enclosed by a series of walls, around house and village or city. Tied to the soil, living under the authority of the family, growing their food among the graves of their ancestors, they were perpetuators of a system in which harmony was more important than struggle.