Conversation so far:
What were his views on diplomacy?
When the war started Seward turned his attention to making sure that foreign powers did not interfere in the conflict.
How did he make sure they didn't interfere?
Seward sent word to the American representatives abroad that the U.S.
would become party to the Paris Declaration Respecting Maritime Law of 1856.
What else did he do in politics?
Seward was willing to wage war against Britain if it did, and drafted a strong letter for the American Minister in London.
What were his views about the war?
CANNOTANSWER.

Question: What other important things did he do?
Self-contained rewrite: What other important things did William H. Seward do besides wage war?