The U.S. President is empowered by the Constitution of the United States to perform the duties of a Chief Diplomat. In this role, the President exercises a great amount of power and delivers some duties. He can receive ambassadors from other nations and by doing so he gives acknowledges the legitimacy of those nations and proffers them credibility. Being the chief diplomat of the United States of America, the president has the power to make treaties that are then subject to confirmation by the Senate.
Great Britain made an approximately 3 million British pounds on 1854 and 21 million British pounds in 1900 for the exports alone in South Saharan Africa.