Sako Shahinian and Arshile Gorky, are of which mutual nationality?
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Answer: American-Armenian


Gregor Strasser who was killed on the Night of the Long Knifes was the figurehead for what faction?
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Answer: left-wing Strasserist faction of the Nazi Party (NSDAP)


"Toothbrush" is a song by American band DNCE from their debut EP "Swaay" (2015), the song was written by which DNCE member, an American singer and actor?
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Answer:
Joe Jonas