"The continual increase in the arrest rate of drug users" is the one reason among the choices given in the question that was the <span>most likely cause of a shift in drug policy during the Obama administration. The correct option among all the options that are given in the question is the third option or the penultimate option.</span>
One reason is it helped promote exploration.
Another is communication was faster.
And people learned more about exploration.
Disease is the answer I believe... If not than it is death by war or massacre
Because it gave a lot of territory to the French colony (Quebec), including the current Ohio. Also, it gave a lot of rights to the French population, allowing them to keep their laws and language in public matters.