Final answer:
The purpose of Bill Viola's video/sound installation 'The Crossing' is to evoke the viewer's senses and create a feeling of spirituality. Viola aims to immerse the viewer in a contemplative and transformative experience through the use of slow motion, contrasts in scale, and a haunting soundtrack. The correct answer is 1).
Step-by-step explanation:
The purpose of Bill Viola's video/sound installation 'The Crossing' is 1) to evoke the viewer's senses and create a feeling of spirituality. Viola is known for his immersive and contemplative artworks that explore themes of life, death, and transcendence. 'The Crossing' is no exception, as it uses slow motion, contrasting scales, and a haunting soundtrack to create a deeply meditative and transformative experience for the viewer.