Japanese-American Internment During WWII
https://www.youtube.com/watch?v=cZTioTkHcB0
This clip from the History Channel gives an overview of Japanese-American internment camps during World War II.
PBS: Asian Americans
https://www.pbs.org/show/asian-americans/
This link provides access to the five-hour-long PBS documentary, Asian Americans, which traces the history of Asian immigrants in the U.S. as well as the challenges and discrimination they have faced.
Marriage in Japan
https://en.wikipedia.org/wiki/Marriage_in_Japan#cite_note-12
This Wikipedia article on marriage in Japan gives an overview of marriage conventions from the 1100s through today.