Which best describes why American Indian groups were vulnerable to European diseases? They lacked the necessary vaccinations.

They were unfamiliar with all diseases.

They failed to take preventative measures.

They lacked immunity to these diseases.

d) they lacked immunity to these diseases.

on december 1, 1774, the continental association was created to boycott all contact with british goods. by reversing the economic sanctions placed on the colonists, the delegates hoped britain would repeal its intolerable acts.

one way archaeology us understand the past is through the material objects it finds, allowing us to know what was being used, and when. for example a dig recently found a flute, believed to be the oldest musical instrument found to date.

i hope this