What protects federal judges from political pressure to make a certain ruling?

a. federal judges can have anyone arrest them who threatens them.
b. federal judges serve for life, and so do not need to worry about conforming to the wishes of others to be reelected.
c. federal judges vote in blocks and have little power to sway the opinions of the other judges.
d. federal judges only hear cases in private so they are not subjected to outside influences.

Nita is the office manager at a service station. two applicants, max and tim, arrive to interview for the open mechanic's position. max's clothes are dirty, his hair is unwashed, and he doesn't make eye contact when he gives nita his name. tim dresses in clean jeans and a nice shirt, is shaved, and shakes nita's hand when he introduces himself. after the interview, keith the head mechanic, asks nita what she thought. both men have the skill set needed for the position. nita recommends tim. she is responding to her perception of

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

Stie cineva cati ani poti fii director de sa imi specificati si legea va rog