The enlightenment was John Locke, declaration was written by Thomas Jefferson
The reasons as to why Irish citizens immigrated was to escape religious and political persecution. The Irish Potato Famine was another reason for this because potatoes were the staple food at the time which forced peasants to leave Ireland.
Having weathered this crisis, Necker continued to serve the monarchy until September 1790, when he resigned his position and retired to a château in Switzerland. He died there on April 9, 1804.