I would think its "every" but im not sure.
A. First person
The way to tell if literature is written in first person is by the use of first person pronouns. For instance, if the narrator is talking and there is use of pronouns such as I, me, my, mine, myself, we, us, our, ours, or ourselves, then the piece is written in first person. By simply reading the first line of "The Oasis: Africa," we are able to deduce this:
<em>For eight weary days </em><em>we</em><em> had crawled across the burning desert.</em>
Answer:
I think it because understanding hidden bias can somehow reveal the behavior or the way of thinking of other people, we can know how people act with people of another race. By understanding the desires of people, we can sympathize with each other better, from this, it can establish a equal society.