Globalization and disease Spanish soldiers introduced smallpox by contact with natives of the Aztec capital Tenochtitlan. A devastating epidemic broke out among the indigenous people, killing thousands. In 1617, smallpox reached Massachusetts, probably brought by earlier explorers to Nova Scotia, Canada.” By 1638 the disease had broken out among people in Boston, Massachusetts. In 1721 people fled the city after an outbreak, but the residents spread the disease to others throughout the thirteen colonies. Smallpox broke out in six separate epidemics in the United States through 1968. The smallpox vaccine was developed in 1798 by Edward Jenner. By 1979 the disease had been
Genocide of indigenous peoples considered genocide can be a matter of scholarly debate. Historians often draw on broader definitions such as Lemkin's, which sees colonialist violence against indigenous peoples as inherently genocidal. For example, in the case of the colonization of the Americas, where 90% of the indigenous people of the Americas were wiped out in 500 years of European colonization, it can be debatable whether genocide occurs when disease is considered the main cause of population decline since the introduction of disease was mostly unintentional. Some genocide scholars separate the population declines due to disease from the genocidal aggression of one group toward