Final answer:
Picnic at Hanging Rock and Mad Max were key films that helped to kickstart the Australian New Wave in the 1970s. option 4.
Step-by-step explanation:
The Australian New Wave refers to a period of significant growth and recognition in the Australian film industry during the 1970s. One of the films that helped to kickstart this movement was Picnic at Hanging Rock (1975), directed by Peter Weir. This haunting and enigmatic film captivated audiences with its atmospheric storytelling and unique visual style, and is widely regarded as a key film of the Australian New Wave.
Another important film that contributed to the Australian New Wave was Mad Max (1979), directed by George Miller. This dystopian action film, starring Mel Gibson, showcased the talent and creativity of Australian filmmakers and became a global success, influencing the action genre and establishing Australia as a viable player in international cinema.
While Gallipoli (1981) and Walkabout (1971) are significant Australian films, they are not typically considered part of the Australian New Wave movement.