France and Great Britain were at war while Jefferson was President and both of these countries abused US neutrality and interfered greatly with US shipping. Trying to find a peaceful solution was probably Jefferson biggest challenge.
Information about period symptoms should be found by talking to your mother, if not her an older sister or aunt. You can also find this out in a health class in school. There are also books on this subject.
Thomas the Tank Engine has a website dedicated to him where children can play games and watch videos. As for information on the show itself, while Wikipedia is not the most reliable source, it does have dates and trivia, as does IMDB.
The Thomas and Betts website offers innovative information about the electrical supply industry. The products at Thomas and Betts ensure that homes across America are safely wired and enabled to provide electricity to the homeowners.
General Thomas Greene June 8th 1814 to April 12th 1864, lived at Le Grange, Fayette County Texas when he wasn't off campaigning. Thomas Greene was a Governor of the Colony of Maryland from 1647 to 1649, I can find no more information about him.