These questions require you to create several structures.
A dominated region is where one country has more than 50% of the total region population.
List the dominated regions - include the name of the country that dominates the region.
For each letter of the alphabet list the number of countries that begin with that letter.
You need not list those letters for which there are zero countries.
Print the top ten countries by population. List them in ascending order.
For each region print the region then the largest three countries.