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: BRAND NAMES 
Clue: To feature its "Strong enough to stand on" product, in 1965 Shwayder Bros., Inc. changed its name to this
samsonite luggage

Category: LANDMARKS 
Clue: In the 1879 Mathew Brady photo seen here, this structure was about 150 feet tall
washington monument

Category: ANIMALS 
Clue: Odobenus, the genus name of this animal, comes from the Greek for "one who walks with his teeth"

walrus