Name the actress who ultimately successfully challenged the exclusive contract system, resulting in the rise of talent agents and a shift toward independent contract labor.

A) Bette Davis
B) Joan Crawford
C) Olivia de Havilland
D) Joan Fontaine

Exclusive Contract System

Refers to a historical practice in the film industry where actors, directors, and other talent were signed under contract to a single studio, limiting their ability to work with others.

Olivia de Havilland

A British-American actress famous for her roles during the Golden Age of Hollywood, including that in "Gone with the Wind" (1939).