Why was charlemagne important durning the dark ages

Between 1870 and 1916, approximately how many immigrants came to the united states? 10 million 25 million 75 million 125 million

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

What organizational decisions made by the first congress are still in effect today?