What are the two ways to organize sentences?

It's to know your purpose before you read something because a purpose can:

In this example, what does the author use to describe laurie

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.