What kind of incentives motivate individuals to contribute to groups espousing causes they care about without worrying whether their contribution will make an appreciable difference?

Functionalism was a school of psychology that focused attention on the

What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!

Initially, northerners did not want missouri to be included in the union because 1.) maine would not be allowed to enter the union as a free state 2.) missouri wanted to enter the union as a free state 3.) missouri wanted to enter the union as a slave state 4.) maine would not be allowed to enter the union as a slave state