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What country aided north korea in the korean war?

Which of these events was a severe setback for the u.s. war effort in the pacific?

Which of these is one right guaranteed by the aha's patient bill of rights? a. the right to remain on your insurance plan. b. the right to appeal denial of coverage for a procedure. c. the right to be treated with respect. d. the right to have insurance even with preexisting conditions.