The output of good or services as measured against per unit of input is called?

Which purposes of the constitution are found in the preamble? select the six correct answers. to provide for the common defense to form a more perfect union to promote the general welfare to secure the blessings of liberty to declare independence from britain to establish justice to ensure domestic tranquility

Most white men in the antebellum south could best be described as a) plantation owners. b) seafaring traders. c) merchants or shopkeepers. d) nonslaveholding family farmers.

Which statement describes the impact of the 21st amendment?