What should i write for the conclusion? its about the history of the U.S. Dollar?

The history of the United States Dollar covers more than 200 years. The history of the dollar in North America pre-dates U.S. independence. Even before the Declaration of Independence, The continental congress had authorized the issuance of Dollar denominated coins and currency, since the term “Dollar” was in common usage referring to Spanish colonial 8 real coins or “Spanish milled dollars.” Through several monetary systems were proposed for the early republic, the dollar was approved by congress in a largely symbolic resolution on August 8 1786 (Wikipedia.com). The United States dollar is the official currency of the United States. It is also widely used as a reserve currency outside of the United States. Currently, the issuance of currency is controlled by the Federal Reserve banking system. The most commonly used symbol for the U.S. dollar is the dollar sign $. The code for the United States dollar is USD; the U.S. dollar is also referenced as US$ by the International Monetary Fund. The U.S. is one of many countries that use a currency named dollar several countries use the U.S. dollar as their official currency, and many others allow it to be used in a legal capacity. Americans often use the word buck to refer to a U.S. dollar this term originated with the colonial fur trade. Because of the color green was seen as a symbol of stability, it was selected. These bills were known as “Greenbacks” for their color and started a tradition of the United States’ printing the back of its money in green. The origin of the “$” sign has been variously accounted for. Perhaps the most widely accepted explanation, according to the U.S. Bureau of engraving and printing. Is that it results from the evolution of the Mexican or Spanish “P’s” for Pesos, or Piastres, or pieces of eight.