The first official U.S. flag, adopted in 1777, had what component(s) on it?
AThirteen stars and thirteen stripes
BThirteen stripes and the words “Don’t Tread on Me”
CA British Union Jack in the upper left corner
AThirteen stars and thirteen stripes
BThirteen stripes and the words “Don’t Tread on Me”
CA British Union Jack in the upper left corner