Abe most likely said that, because if he said slavery was wrong at the time people would disagree and go against him which is very sad but true.
It was the Japanese Americans. This is because Japan bombed Pearl Harbor in America, which made Americans suspicious of the Japanese Americans.
Hope this helped. Lmk if you still have a question or this explanation wasn't clear enough. :-)
Answer:
c. reluctance of the U.S government to negotiate treaties with Canada
Answer: Appellate Court
A court that hears an appeal on a trial from a lower court had appellate jurisdiction. Appellate courts do not retry cases, instead they determine whether the original trial court acted according to the Constitution and follow procedures properly.