"The human heart above all should change." Explorers in the "age of discovery" helped unleash subsequent waves of migration. The exploitation of land and resources has reached unprecedented levels of intensity. The robbing of the weak by the strong is also reaching new peaks.
「地理大發現」時代的探險，促成了日後大量的移民潮，人類的資源開發、土地利用都來到前所未有的密集度，強勢者對於弱勢的掠奪也達到頂峰。