Dynasty followed dynasty, as old regimes would lose the "mandate of heaven;" it was believed that each emperor ruled only with the approval of heaven, and a ruler who was unfit to rule would curse the nation until replaced. In addition, the Chinese capital would occasionally be overrun by "barbarians," who invariably would start a new dynasty in the Chinese capital, integrating their nations into the former dynasty. | Dynasty followed dynasty, as old regimes would lose the "mandate of heaven;" it was believed that each emperor ruled only with the approval of heaven, and a ruler who was unfit to rule would curse the nation until replaced. In addition, the Chinese capital would occasionally be overrun by "barbarians," who invariably would start a new dynasty in the Chinese capital, integrating their nations into the former dynasty. |