1 An abbreviation might be formed using the first and last letter of the complete word.  2 Yard, for example, is abbreviated yd., and quart is abbreviated qt.. 3  Some measurement abbreviations are formed by using the first letter or two (or sometimes three) of the word. 4  Some examples of this are mi.( 5 mile), in. Yard, for example, is abbreviated yd., and quart is abbreviated qt.. 2  Some measurement abbreviations are formed by using the first letter or two (or sometimes three) of the word.
Puerto Rico, also known as the Commonwealth of Puerto Rico, is a territory or colony of the United States in the Caribbean Sea. It has almost 4 million (4,000,000) people. It is the 169th largest sized country in the world in amount of land. Its political system is based on a republican system.he currency (money) used is the United States dollar. Puerto Rico means rich port in Spanish. The Commonwealth of Puerto Rico includes the largest, main island and a number of smaller islands, including Mona, Vieques, and Culebra.
Puerto Rico is still a US Territory (and now called a Commonwealth with an elected governor and bicameral legislature), Itr is still a very strategic location in the Western Hemisphere for naval defense and shipping in general. Unlike Cuba and the Philippines, Puerto Rico has never had a large independence movement.