<span>George Washington supported the constitution because it was an improvement on the previously installed articles of confederation. By leaving the constitutional door open, he was most likely referring to the need for the constitution to remain flexible to the needs of the country at any one time.</span><span />
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. :-)
