The easiest and the best way is to memorize every country on the map w.r.t its location. For exapmle, if started from Asia the memorize each country adjacent to other and carry on and consequently you will be able to memorize all the countries on the map.
Source: http://www.datadubai.com/
Only you can answer that. Almost every answer I can give you is an opinion.
Unfortunately there is no "world" political philosophy. Every country and every person follows what they feel is best for themselves.
The world cup is held every four years to find out the best country in football.
There is no such thing as the best country in the world.
I'd have to say the World Cup. Just because almost every country is involved.
Every country sells dr pepper because it is the best drink ever!
Well yes afghanpashtun is the best country in the world AFGHANISTAN
The USA is the best country in the world. The United States has freedom.
dominican republic is the best country in world league
There is no such thing. Every country has its strengths and weaknesses. I'm also not so egotistical to think that America is the best country in the world.
.The country made best tea in the world in Sri Lanka
YES! New Zealand is the best country in the world! But parochialism rules.