Underdeveloped countries
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">underdeveloped countries</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">underdeveloped countries</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for third world that I've seen before include "Developing countries" , "future kind of war" , "developing nations" , "Poorer nations" , "Developing economies" .)