Final answer:
Most Japanese immigrants to the United States before World War Two came during the time period of 1885-1924.
Step-by-step explanation:
Most Japanese immigrants to the United States before World War Two came during the time period of 1885-1924. This is known as the first wave of Japanese immigration. During this time, many Japanese immigrants arrived in search of economic opportunities, particularly in agriculture, mining, and railroad construction. The number of Japanese immigrants decreased after the passage of the Immigration Act of 1924, which restricted immigration from Japan.
Learn more about Japanese immigration to the United States before World War Two