From 1804 to 1809 he was a member of the Kentucky legislature, in 1806 and in 1809, he participated in the Washington Senate. In 1810 he became a member of the House of Representatives. Clay was one of the fiercest defenders of the war between the United States and the United Kingdom, and after the defeat, negotiated peace in the Ghent agreements (December 24, 1814). President of the Congress in diverse occasions, promoted the protectionism and was interested in fortifying the economic means of EE. UU He was the creator of the Missouri Compromise, for which he received the nickname of the Great Peacemaker.
The answer is the author is describing a firsthand account of the ruins of Pompeii. Secondary sources are when it comes from a person who did not experience it at the time of the event.... hope this helps
