What is the structure of our state government

Which of these belongs to the united states after the spanish american war ?

When was wheeled traffic permitted in early rome? daytime nighttime all day never

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