Here are the answers to your questions:
Question 1: Which of these was a pull for the first wave of Chinese immigrants to the United States?
Answer: B - The Gold Rush in California
Question 2: The Chinese Exclusion Act affected __________.
Answer: D - all laborers
Question 3: The Chinese Exclusion Act ended as a result of __________.
Answer: B - World War II
Feel free to ask if you have more questions!