The spice is Black Pepper. Historically, it was called 'the king of spices' because its rarity and intense flavor made it extremely valuable in medieval Europe, often used as currency or worth more than gold by weight. Sri Lanka has been a major producer since ancient times due to its ideal tropical climate. This question tests knowledge of Sri Lanka's historical export economy and global trade history.
Did you know that the 'Golden Temple' of Sri Lanka is actually located in Kandy, not Colombo? What other famous landmarks in Sri Lanka have names that might surprise you?