Wearing your favorite team’s t-shirt the day after they win a big game is an example of whereas removing the pro-candidate bumper sticker on your car after your chosen political candidate loses the election is an example of

Basking in reflected glory; cutting off reflected failure

Explanation:

Basking in reflected glory which is abbreviated as BIRGing is the self-serving cognition where by the individual associates with the known others which are successful such that success of the winner success becomes the individual's own achievement.  

Thus, wearing the favorite team t shirt is an example of Basking in reflected glory.

Cutting off reflected failure which is abbreviated as CORFing is the idea which the people tend to disassociate from the lower-status individuals because the  people don't want their reputations to be affected by failed people.

Thus, removing the sticker is an example of cutting off reflected failure.

b. the american revolution