Which form of information is most effective for validating technicle or controversial assertions

What point is the author most likely making with the example september 11

Finish these lyrics cuz im bored lol " said i wouldnt die yeah" "no, im not alright yeah"

Which choice is a major detail from paragraph two? a) the great wall is a large network of several walls and towers. b) the great wall looks like a long wall snaking its way across china. c) the great wall was constructed over hundreds of years beginning in 221 b.c. d) the great wall construction encouraged several independent kingdoms to unite.