The Capital of Columbia and Venezuela is Bogota
The Rocky mountains provided the greatest obstacle to railroad expansion
The correct answer is B) US free trade increased.
An effect of US government policies during the 1920s was that US free trade increased.
The 1920s represented a time of great prosperity for the United States. Indeed, there is a term that identifies these years in America called "the Roaring 1920s." The US industry was running smoothly, people had money or credit, so they could buy many necessary or unnecessary things and this meant more income for the US companies. Those years were the beginning of Mass Culture.
You should by by the one that is not a true fact, or does not make sense.
Hope that this would help you! =)
Established the US as a government ( A)