Final answer:
The filmmaker makes it clear to the viewer that Lennie is strong through visual cues, such as showing him effortlessly lifting heavy bags in the field and using close-up shots of his muscles. Sound effects, such as a crunching sound, can also emphasize his strength.
Step-by-step explanation:
The filmmaker makes it clear to the viewer that Lennie is strong through various visual cues and actions. One way is by showing Lennie effortlessly lifting heavy bags in the field. This demonstrates his physical strength and ability. Additionally, the filmmaker may choose to use close-up shots of Lennie's muscles straining as he lifts the bags, further emphasizing his strength. The use of sound effects, such as a crunching sound when Lennie lifts the bags, can also contribute to the portrayal of his strength.