The discoverer of America is Christopher Columbus . He was born on the territory of republic of genoa . On the expedition where he discovered " the new world " he originally was looking for India . 5) Levi Strauss began making clothe in San Francisco 6) New York, Washington, D.C. . Los Angles , Chicago , 9) colors of American flag are - red, blue and white . The 50 stars on the flag represent the 50 states of the United States of America, and the 13 stripes represent the thirteen British colonies 11) on forth of July Americans celebrate the Independence Day 12) letter D. C. Stand for "District of Columbia".