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.

[Q]: Category: THE WINTER PALACE 
Clue: In 1881 the "Czar Liberator", the II czar of this name, asked to be taken to the palace to die after being fatally wounded
[A]: alexander ii


[Q]: Category: UNCIVIL UNREST 
Clue: "This is the farewell kiss, you dog", said Muntader al-Zaidi as he threw both of these at Pres. Bush in Dec. 2008
[A]: his shoes


[Q]: Category: AMERICAN ART & ARTISTS 
Clue: Roy Lichtenstein perfected his technique for simulating benday dots to mimic the artwork found in these "strips"
[A]:
comic strips