PLEASE HELP AND EXPLAIN WHY THIS IS MANDATORY Which sentence is the BEST example of academic discourse?

a. If the ERA wants to become part of the Constitution, it will have to get past the opposition this time.
b. A lot of states ratified the new amendment right away.
c. Theoretically, Virginia's decision would allow the ERA to go forward.

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.