<P> This event is well known for the documented instances of biological warfare . British officers , including the top British commanding generals , ordered , sanctioned , paid for and conducted the use of smallpox against the Native Americans . As described by one historian , `` there is no doubt that British military authorities approved of attempts to spread smallpox among the enemy '' , and `` it was deliberate British policy to infect the indians with smallpox '' . </P>
the british introduced which disease to the native american tribes after the french and indian war
smallpox