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: TECHNOLOGY 
Clue: In 1913 this alloy was invented by Harry Brearley of Sheffield, England, a city known for its cutlery since before 1400
stainless steel

Category: WOMEN IN HISTORY 
Clue: Arrested for voting in 1872 election, she died 14 years before the 19th Amendment
susan b. anthony

Category: CODES OF HONOR 
Clue: As bushido was to 16th century samurai, this was to 12th century knights

chivalry