Hello. You did not inform the text to which this question refers, which makes it impossible to answer it exactly, but I will try to help you in the best possible way.
Over time, America has managed to structure itself better politically and to be more comprehensive in relation to the rights and duties of all citizens. Although there is still a long way to go before we can call America fair, we can confirm that the country is evolving in justice and politics.
Since slavery, blacks have tried to modify America so that it presents itself as an egalitarian country that respects and considers the black population as true citizens with the same rights and duties as any other. The revival helped that the changes that blacks needed were requested with greater security. This is because the Harlem Renaissance has enabled blacks to become more aware of their culture, beauty, ability and rights.
During this part of the proofreading<span> procedure, you should search for errors in spelling, word usage, grammar, and punctuation. After all, a poorly </span>written<span> paper cannot possibly communicate its message properly to the reader. ... Editing is not just the icing on the cake; it is an essential part of the </span>writing<span> process.</span>
The point of view that I would you as if I were one of the characters of a story is the “First person point of view”.
This point of view allows the reader to know the narrator's feelings and emotions. This is a subjective point of view as the narrator tells the events in a story through his perspective which does not mean that they are true. If an author uses this point of view, he is interested in the development of the main character's personality and actions and not in the rest of the characters.
It would be C. Theirs, because it is said in third person and it is a posessive pronoun.
For Example:
That umbrella was theirs