I find the odd one is Zaire:it's not the name of a country, It used to be a name of a country, but since 1997 this country is called Democratic Republic of the Congo.
Branch Rickey signed a contract with Jackie Robinson that would bring him to the major leagues
What made it self-sufficient was whether it had enough land and serfs which could produce enough food for people to survive on the amount of food that they would produce.