What's astonishment??​

That's mean Very Good Surprise

Astonishment is the state of being greatly surprised.

❤

there is a sequence and logical steps to give an answer of a trouble.

1) strategy is necessary to develop an project idea.

2) to study and know the environment where you are going to work ( ecosystem).

3)   the materials resources to built the ideas.

4) to give a priority order in the context that you study. in this case human needs.

i would believe it would be b., the author wants to draw the reader deeper into the experience