The answer is D. Theme. The theme is the central idea in a piece of writing or work of art.
Answer:
Create an outline
Decide an topic
Write an draft
Revise and rewrite the draft
Skim and edit the draft for surface mistakes
Explanation:
Hoi!
"As a result" indicates a cause-and-effect sentence. This sentence discusses the price of shipping goods, which lessened due to better ways of transportation. The price lessening is a result of of new transportation methods, so "As a result" is the correct answer.