Which of These Situations Best Exemplifies Hemispheric Migration to the United

question 22

Multiple Choice

Which of these situations best exemplifies hemispheric migration to the United States during the early twentieth century?

• A) Mexican immigrants provided a critical source of labor for farms, mines, and railroads in the American West.
• B) Jewish immigrants from Russia and Poland worked under harsh conditions in New York City's garment industry.
• C) Many residents of western mining towns were Greek, Slavic, and Italian immigrants.
• D) Japanese immigrants settled small communities near Los Angeles, where they established fishing, truck farming, and nursery businesses.

---

Definitions:

Color Vision Theories

The explanations and hypotheses that describe how the human eye perceives colors, including the trichromatic and opponent-process theories.

Trichromatic Theory

A theory of color vision that explains how humans perceive color through the response of three types of cones sensitive to different wavelengths.

Retinex Theory

A theory that suggests the human brain perceives colors in a scene in a way that is independent of lighting by comparing different spectral wavelengths.

Sound Waves

Sound waves are vibrations that travel through the air or another medium, which can be heard when they reach a person's or animal's ear.