How events as world cup and olympic games can change the reality of Brazil?

How events as world cup and olympic games can change the reality of Brazil?

The fact of Olympic games be here on Brazil in 2016 and the world cup in 2014 will impact relatively more on country, bringing many benefits and some disadvantages.
In relation to public relations as to sports, the prospects of Brazil seems be good. More Brazilian Companies can use the games as showcase to attract investors. The games will be important to present the country to the tourists.
But the volume of crimes against tourists has grown .Will be difficult to ensure the security of visitors without a qualified security force.
The realization of games will be important of political point of view, because it is a project, which gives to government the necessary push to complete the infrastructure in required time.
There are risks and Challenges.