You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: FROM B TO C 
Clue: A group of nations acting together, like the old Soviet one
bloc

Category: SCIENCE 
Clue: What you're "stuck with" boiling down collagen, softening it with hot water & letting it swell
glue

Category: BRITISH HISTORY 
Clue: Thie became a royal palace after Henry VIII confiscated it from Cardinal Wolsey

hampton court