United States of America

CAPITAL: Washington, D.C. (District of Columbia)

FLAG: The flag consists of 13 alternate stripes, 7 red and 6 white; these represent the 13 original colonies. Fifty five-pointed white stars, representing the present number of states in the Union, are placed in nine horizontal rows alternately of six and five against a blue field in the upper left corner of the flag.

ANTHEM: The Star-Spangled Banner.

MONETARY UNIT: The dollar ($) of 100 cents is a paper currency with a floating rate. There are coins of 1, 5, 10, 25, and 50 cents and 1 dollar, and notes of 1, 2, 5, 10, 20, 50, and 100 dollars. Although issuance of higher notes ceased in 1969, a limited number of notes of 500, 1,000, 5,000, and 10,000 dollars remain in circulation.

WEIGHTS AND MEASURES: The imperial system is in common use; however, the use of metrics in industry is increasing, and the metric system is taught in public schools throughout the United States. Common avoirdupois units...