history discussion question and need the explanation and answer to help me learn.

Your initial response should be a minimum of two paragraphs, totaling approximately 250 words.
Your completed work must be formatted according to APA (7th edition) style and include in-text citations, for example (Bradford, 2016, p. 10).
Remember, throughout this course, Naval Services refer to the Navy, Marines, and Coast Guard. Any answer requesting how the Naval Services respond or perform is asking for perspectives on all three services.
Answer should utilize assigned readings from the course, supplemented with any other research the student found informative, citing all sources appropriately.
Each discussion is worth 5% of the course grade and will be graded on a scale of 1 to 100%.
You will be graded according to the Discussion Rubric.
Questions :
Section A:
Historians make choices of emphasis and causation in the histories they write. If you were writing a history of the material covered in Module 2, which would you consider the most influential and why?
Section B
How did World War One show the link between navies and economics (especially in longer wars)?
Read: America, Sea Power, and the World (Chapters available in RedShelf)
Chapter 11: Defending American Imperial Interests in Asia and the Caribbean, 1898-1941
Chapter 12: Naval Rivalry and World War I at Sea, 1900-1920
Citation: Bradford, J. C. (2015). America, sea power, and the world. Wiley. 
Citation: Ulbrich, D. J. (2018). The importance of the Battle of Belleau Wood. War On The Rocks. https://warontherocks.com/2018/06/the-importance-of-the-battle-of-belleau-wood/
Citation: Sheppard, T. (2020, September). ‘The most terrifying experience’: The U.S. Navy and the pandemic of 1918. Naval History and Heritage Command. https://www.history.navy.mil/browse-by-topic/wars-conflicts-and-operations/world-war-i/history/terrifying-experience.html
View:  (3:22)
Citation: I’m Stuck-GCSE and A-Level Revision. (2016, November 15). World War One-naval race and arms race-GCSE history [Video]. YouTube. 
Citation: The U.S. Coast Guard in World War I. (n.d.) U.S. Coast Guard History Program.  https://media.defense.gov/2017/Aug/07/2001789116/-1/-1/0/USCG-WWI-NARRATIVE.PDF