Answer :
b. right
Using the word "right" indicates that it's something people inherently deserve. Saying something is a right means that it should never be denied to anyone, so as an argument it is the best word to persuade the audience that people should have water.
Using the word "right" indicates that it's something people inherently deserve. Saying something is a right means that it should never be denied to anyone, so as an argument it is the best word to persuade the audience that people should have water.