-If the cost is too high or over budget, it can be a political disadvantage, losing votes and decreasing economic resources
-If something goes wrong eg a terrorist attack, politicians have to shoulder responsibility
-If the host nation does poorly, it can reflect badly on the political party.
-Negative environmental impacts can decrease political popularity
-If the legacy of the event is negative, this can be politically damaging
-Protests by athletes or spectators can be embarrassing e.g. Black Power, Mexico 1968