1.) who
2.) why
3.) whose
4.) what, how
5.) that
6.) why
7.) whether
8.) when
9.) what
I hope you can use words over again in this case. Let me know if you need explanations!
The best and most correct answer among the choices provided by your question is the third option which states that "<span>people can influence policies by voting for or against public safety and welfare services". People always has a voice in government policies through the means of a plebiscite or a memorandum.</span>