Pennsylvania.
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The U.S. Senate and the House of Representatives
"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>
D carpet baggers source i just learnd this and i have an A in history and it was a northaner who moved to the south after the amercian cival war or north vs south and it lasted from 1865-1877 i hope this helps