The US has a representative democracy because, at the time the Constitution was framed, it was impracticable to have a direct democracy. Additionally, the Founding Fathers were generally skeptical of...
It is a representative democracy. In a direct democracy, citizens vote directly on issues concerning the community, while in a representative democracy, the citizens vote on people to represent them...
Democracy is a political concept. Democracy is subdivided into two forms---representative and direct. If you're talking about the federal government, then the US is a representative...