Which list ranks assets from most to least liquid?

Qualifying for admission to the Eurozone requires a nation to:

A) petition for membership with the European parliament. B) demonstrate a commitment to democratic principles and take an antiterrorist stance. C) peg its exchange rates to the euro and demonstrate fiscal responsibility for a length of time. D) join the IMF and the UN, and be recommended by other members.

The De Beers diamond mining and marketing company of South Africa became one of the most profitable and longest-lived monopolies in history. Which of the following has always threatened De Beers' control of the diamond market?

A) At different times in the past some countries have banned the importation of diamonds from South Africa for political reasons. B) Competition from imitation diamonds. Technology has made it possible to make fake diamonds look exactly like real diamonds. C) Competition from other gemstones, including rubies and emeralds, that have become more popular over time. D) Since few diamonds are ever destroyed, De Beers has constantly faced possible competition from other firms reselling diamonds.