Because it makes up more than 50% of the world's population.
The correct answer is answer B ("Justices do not vote on particular opinions, but rather on the final ruling").
The decision making process in Supreme Court requires voting in first instance and then the statement of court's opinion is released, which explains the logic underneath their decision. Generally, there's an expression of both majority and minority opinions. Justices do not vote on opinions.
Hope this helps!
A hefty portion of the underdeveloped countries of the world is situated in Africa and others are in Asia. The underdeveloped countries are essentially one where the assets of the territory are not used to their maximum capacity because of the absence of another asset. Regularly you would refer to the African abundance of minerals and absence of innovation and hardware. Underdeveloped countries don't have the gainful limits important to exploit expanding worldwide exchange.
It should be D, because only it fits the criteria of being a "necessary labor resource"