Credibility of the source is checking the degree of authenticity of a source
(You want to know how reliable is this information?)
There are multiple factors that can help to check its credibility:
Is the author of the source trusted?
Is the background of the source safe?
Is it a primary or secondary source?
Have the source become unaccurate or
obsolete due to time?
Is there any motive or signs that the source is biased?
Because the American government saw them as Japanese people over in japan who wanted to destroy America. They put them in camps so they could contain them before they could start any destruction, which was not true.
Answer:
On December 7, 1941, Japanese planes attacked the United States Naval Base at Pearl Harbor, Hawaii Territory. The bombing killed more than 2,300 Americans.
The third option is the answer