One way thing that the US could do about monopies is regulating them by breaking a monopoly up. In certain cases, government may decide a monopoly needs to be broken up because the firm has become too powerful. This rarely occurs. For example, the US looked into breaking up Microsoft, but in the end the action was dropped. This tends to be seen as an extreme step, and there is no guarantee the new firms won’t collude.
I'm pretty sure it's a piccolo.
Answer:
Andrew Jackson was the president for the "common man." Under his rule, American democracy flourished as never before -- but the economy and the Native American population suffered at his hands.
The US didn't open a trade route until after the Revolutionary War because if they did then they wouldn't have a relationship between China and the US.