The only Federalist President, John Adams, was defeated in the election of 1800 by Thomas Jefferson
Opium wars were wars between China and the United Kingdom of Great Britain and Ireland over the right to trade in China.
So, technically, the correct answer is the United Kingdom of Great Britain and Ireland, but I guess, "England", which was part of is is also a good answer.
Moses! :)
Hope this helps~!
~{Oh Mrs.Believer}