The detail that best reveals Theseus's determination is:
- Then (his spirit swelled within him), and he said,'(If I break my heart in my body, it shall up).'
<h3>What is the meaning of Determination?</h3>
Determination is the act of never giving up no matter the obstacle. In the selected sentence, it can be seen that Theseus resolved never to give up until he achieved his aim.
His spirit swelling up is an example of such determination.
Learn more about determination here:
brainly.com/question/24213777
#SPJ1
Answer: To let the person reading that you are beginning the sentence
