The most famous ones are China and the United States. Both countries work all over the world both politically and economically. They have factories and business all around the world and often the companies are even richer than the states themselves where the companies are operating.
I think the correct answer from the choices listed above is the second option. The best definition for mercantilism would be that it is an economic policy in which countries collect gold or silver and control trade. Hope this answers the question. Have a nice day.