Southpaw is a boxing term that designates the stance where the boxer has his right hand and right foot forward, leading with right jabs, and following with a left cross right hook. Southpaw is the normal stance for a left-handed boxer.
Because the American system of measurement is very similar to the British imperial system, units are also commonly referred to as imperial units. The units have many different origins.
Answer: Three - The U.S., Liberia, and Burma. The United States still uses a system called the U.S. Customary System, which is based on the English system of measurement. Over the last 200 years, nearly every other nation of the world has officially adopted SI. Even Great Britain has switched, with a few exceptions.