What is the difference between trade among individuals and trade among nations?

Here is a list of differences between trade among individuals and trade among nations.

1) Trade among individuals happens on a much smaller scale.
2) Trade among nations has higher implications. For example, a good trading relationship between two countries can result in international peace.
3) Trade among nations involves several different individuals, laws, and diplomats.
4) Trade between individuals can happen at a much faster rate. If two nations are trading but are thousands of miles apart, there can be a delay in how fast the trade takes place.