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: THE BRITISH ISLES 
Clue: Britain's oldest known scrap of material called this, sometimes identified as shepherd's plaid, dates from 250 A.D.
tartan

Category: FAMOUS HOTELS 
Clue: Cartoons from The New Yorker line the hallways of this hotel where Harold Ross conceived the magazine
the algonquin hotel

Category: WOMEN IN HISTORY 
Clue: In an 1863 essay Harriet Beecher Stowe called this woman whom she had met with "The Libyan Sibyl"

sojourner truth