The factor that usually does not matter much is changing the legal smoking age. There are many smokers that are underage and most of them start in their early teens, so it's usually not important whether or not you make it legal or illegal, they will still find a way to smoke.
Answer:
a. 1/3
Explanation:
Although, this is a controversial topic and it is hard to state exactly how much income share the top 1% or how much of the United State's wealth rests with the wealthiest top 1% but, it can be said that approximately one-third (1/3) of the wealth remains with the top 1%. Also, some of the sources like Washington Post suggests that up to 40% of the wealth rests with the US top 1% households. Hence, given the options, 1/3 is most suitable.
It is important for the citizens to have a democracy having more than one way to participate in government and politics because it only means that there are more opportunities for one's voice to be heard and have the right to choose who or what parties they wanna pursue.
D. All of the above, I hope this helped, if you have any questions let me know! :)