It's not that simple in the US. For example, many states have proposition systems which is a direct democracy: the residents can vote directly on laws themselv

It's not that simple in the US. For example, many states have proposition systems which is a direct democracy: the residents can vote directly on laws themselves. There's good and bad things about this, but overall I think it's good - it's a way around a state legislature trying to do wildly unpopular things.