It would make it a isolated economy because they are not trading or exporting goods with others.
Heinrich Parler and Peter Parler designed the church of the holy cross in southwest Germany.
The church of the Holy Cross was built in the 14th Century during the culture of Recento located in Schwabisch Gmund in Germany.
The answer you're looking for is c.
The correct answer should be remove trade sanctions on Cuba.
Hope this helps. :D