Which of the following groups did not settle in large numbers in the west after the civil war?

A. German immigrants

B. Japanese immigrants

C. Scandinavian immigrants

D. Chinese Immigrants

The correct answer is B. Japanese immigrants

There was high racial prejudice against them which eventually led to the gentleman's agreement between Japan and the US which was supposed to deal with the issues. The US would protect the Japanese people and would allow immigration, while Japan would prevent their people from emigrating.