Flag Pride
For whatever reason, states love to fly their flags. Americans really do love to pull the freedom card, but you don't see other states in other countries being so aggressively patriotic. While some see it as a civil right, others see it as a flag in their face.
There's Always a Hostess
Most restaurants in Europe work on a "seat yourself" protocol. For whatever reason, American restaurants always have hosts or hostesses. While it sometimes is for convenience sake for the staff, it usually just causes a pretty long wait.