Why were living conditions behind the iron curtain so poor?

The purpose of laws were to restrict the rights of african americans who lived in southern states. a) "jim crow" b) "civil rights" c) "anti prohibition" d) "reconstruction acts"

Locate an article online from a news source that illustrates at least one determinant of supply. write a summary of the article, list the determinant(s) that were discussed in the article, and give a brief explaination of the effect of the determinant(s). you don't need to write the entire thing out, just find a source and tell me what i should include. i'm not the best at some parts of economics, and this is one of the parts i suck at.

Why do the presidential candidates spend more time in states with large population