The Constitution gives each house the power to determine the qualifications of its members. I hope this helps.
I would say B because none of the others are even close.
Racism. That people are being treated unfairly and disrespectful because of their colour and race which isn’t fair. The way you could solve it is to be fair and equal to other no matter what their race,gender,sex,religion is
B.their uses for medicinal purposes I think. Not 100% sure.