The French and Indian War also had lasting (and devastating) effects for the Native American tribes of North America. ... Furthermore, with the French presence gone, there was little to distract the British government from focusing its stifling attention on whatever Native American tribes lay within its grasp
Because they do not like stress
An innovative way was an improvised vaccination.
This consisted of smearing open cuts of healthy people with substances taken from wounds of sick people (for example sick from smallpox) in the hope that they will undergo a mild version of the disease and when the disease catches them, not die.
The risk was that they could get seriously ill, but the advantage was that on average, they had better survival chances than without this "vaccine"
A method of testing the truthfulness in knowledge
