Countries leaving pieces of their history out..

Countries should not leave pieces of their history out  even though it benefits the person who is documenting the history. It is better for citizens to know the truth about what is happening in the world. About its most recent current events. Countries prefer for students to be educated with lies that only benefit them, to make the country look like a hero or victor to the people being educated, for that reason students don't learn the truth. A truth is always accepted by many. Even though people would protest about lies, the controversies will still go on and there would never be a perfect point of view in a story. If history happens it should all be written down as it concludes. This is why countries shouldn't leave pieces of their history out, even though it is negative.