In what year was band-aid's do they know it's christmas the uk christmas chart-topping record (bonus point each for the years of reissue success by band aid ii and band aid 20)?

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Imagine a child who consistently gets mediocre grades and is often picked last for a team when games are played at recess. however, he likes to make silly jokes and play pranks, and he notices that people laugh when he does those things. the child starts to think that others are laughing with him, not at him. this is part of the process that charles cooley

What aspect of the roaring twenties do you think changed society