people keep spending additional units of a particular resource on a want until their marginal benefit is their marginal
cost.

How and why has british society changed over the last 50 years?

Explain comment: much of the thought upon which present-day democratic government rests began as a challenge to the theory of the divine right of kings

Which phrase correctly completes the statement? "the korean war " lasted 3 years. has never ended. was won by north korea. was won by south korea lasted 3 years. has never ended. was won by north korea. was won by south korea.