Answer:
The first one seems the most captivating
Explanation:
Id choose the first one to introduce/ start the story
Answer:
I would say internal roadblocks because self doubt is in the mind, and not practicing regularly seems to be channeling from the self doubt.
Forgetting training uniform could be caused by this person having things on their mind (self doubt).
I hope this helps
A scientific text is usually written to
Explore the causes of and explain a phenomenon
Educate readers about a certain topic.
I would say your second option.