Yes, but before writing to learn a little about this form of writing. Experts agree that is a literary composition and its object is to present the ideas of an author on a subject so almost always very specific. Sometimes it presents a brief and informal style, gaining some difference with other forms of exposure. From the above explanation can infer that there are two main protagonists in the task of writing an essay: the subject and author. Well, in this genre the author is free to approach the topic from their own point of view, according to their knowledge, the way you view the world, his values and in general his training as a person dedicated to seeing the world from their own perspective. But beware: when someone has made up its mind about an item must defend and how to do this is based on arguments.
So there you have the writer's second most important task after the election of the item and find arguments to support the position it assumes. And let us go by the choice of topic. The issue is not as easy as it seems at first. To determine whether an item is suitable must meet at least the following requirements: What interests you as an author that has an audience interested in reading about this subject that has the possibility to obtain information concerning the case which can take an honest stance firm and defensible. Once the choice of topic should soak up more about it.