Explain one way in which the Columbian Exchange encouraged the development of social or economic structures throughout the Spanish Empire between 1492 and 1600.

The term “iron curtain” was based on an actual iron curtain that german theaters used to separate the stage from the audience in case of a fire. who or what did the “iron curtain” of the cold war separate? democratic nations from communist nations the soviet union from its allies the united states from europe europe from asia