Since people are handing out general investment advice, is it possible to invest in a country? e.g., if I think Central African Republic is going to be the next

Since people are handing out general investment advice, is it possible to invest in a country? e.g., if I think Central African Republic is going to be the next South Korea over the next 20 years, how would you invest to reflect that without just investing in a specific business operating in CAR?