The Civil War in America absolutely dominated the British national conversation, especially in the early years of the war. Politicians followed the conflict closely, and there were even several debates in Parliament over British policy toward the conflict. Frequently discussed was a line that a lot of Americans would recognize today, of "when should Britain get involved??" because of the destructiveness of the confli…
> 5. Britain nearly declared war on the Union (Trent affair), to the point that Royal Navy was just waiting for the go-signal to commence hostilities & Britain sent thousands of additional troops to Canada. I wonder how much the Union's need to hedge against British intervention—so, to divert resources away from the war against the South, affecting troop placement, artillery availability, fortification building/maint…
However, whatever that need was (to hedge against the British) should have been completely necessary, and really goes to show you just how valuable a strong diplomatic corps can be to a country.
The British wanted to be pro-Union. They wanted slavery gone. They didn't want to have to station huge numbers of troops in Canada, or large numbers of ships in the Atlantic.
Silly, unforced errors by Seward & Charles Francis Adams (the American ambassador) antagonized Britain throughout the war & made them unsure of their North American holdings. Ridiculous. Union diplomats should have been talking peace & partnership with Britain from day 1 of the conflict.