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: BIBLICAL AKA 
Clue: This second king of Israel was "the sweet singer of Israel"
king david

Category: WORLD LEADERS 
Clue: The first prime minister of his country to be born in that land, he was assassinated in 1995
yitzhak rabin

Category: AFRICA 
Clue: 1 of the 2 current African nations that were independent at the start of the 20th century

liberia or ethiopia