How envents like world cup and Olympic Games can help to change the Brazil's reality?

   You can "change" the reality in the time when happens these world envents to give the impression of a "good" country to the world, but then come back everything to normal, because the social inequality continues, the prejudice will also continue, the slum people won't let living in their "homes" in the shanty town to live in homes which are more appropriate in better places to live; poverty will continue and etc.
Then reality of Brazil will not change of truth, it can pretend to disappear or change, but unfortunately, because those who are in the "power" of the Brazil want to pass the idea of a good country without poverty, social inequality... and do not bother to change that reality.