Well, we know it's not A., C., or D. because that does not support the idea of Jefferson supporting slaves. So, it has to be B. He supported a bill for manumission. Also, manumission is the act of freeing his or her own slaves. Hope this helps!
Answer:
a and this is for the 20 characters to actually tell you the answer
Japanese Americans were put in concentration camps in some places because it was thought they might try to contact Japan and betray America.
