Although there were physical walls and barriers separating the communist eastern europe from the democratic western europe, the iron curtain actually refers to
a political, military, and ideological barrier that cuts off and isolates an area.
a large metal device that protects people from nuclear weapons.
the color red in most flags of communist countries.

How is the city of savannah related to the union strategy of a full blockade of confederate ports? a) savannah was the last port needed to be secured in order to totally blockade the coast of georgia. b) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the tennessee river. c) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the chattahoochee river. d) savannah was the most significant port in georgia, and the union strategy centered on securing bases at savannah and the outlying islands to fully blockade georgia.