Prejudice against Asian Americans was widespread in the United States prior to WWII, but immigrants still came from Asia. Choose the sentence in this excerpt that best explains why.
1. Prejudice against Asian Americans was widespread in the United States long before World War II.
2. In the mid-1800s, thousands of Chinese people came to the United States.
3. Gold had been discovered in California in 1848, and many Chinese immigrants became gold miners.
4. They hoped to find wealth and better opportunities in the United States.