Why was there "economic necessity" to
write poems and sonnets?

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.

the rigid outer part of the earth, consisting of the crust and upper mantle is the lithosphere.     answer   crust and outer part of the mantle.

the answer you're looking for is to review what went well and learn how to do it better next time

which sentence refers to a dynamic character?

b.

a man learns empathy after working with those he formerly judged.

hope this answers your question!