Thanksgiving is a family holiday that is celebrated in the United States, but also in neighboring Canada, and even in the Dutch city of Leiden, on the island of Granada and in the West African country of Liberia.
Memorial Day, originally called Decoration Day, as a tradition of decorating graves with flags, wreaths, and flowers, is a day for remembrance of those who died in service to our great country.
This is an agency that works for the government only and a part of the Department of Justice of the USA. They are a criminal investigative body that looks after counter-terrorism.