An externality is a. an economic side effect of a good or service that generates benefits or costs to someone other than the person deciding how much to produce or consume. b. the total cost to society of producing an additional unit of a good or service. c. the amount a consumer pays to consume an additional amount of any particular good. d. a situation in which the market, on its own, does not distribute resources efficiently.

Its gotta be A. don't know why the top answer is rated 1 star tho?

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation:

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

i think i know which options you have but if these aren't options let me know