The primary aim of Jourdon in the letter written to his matter can be deduced to be "expressing his dislike for his former master" See the textual evidence below.
The textual evidence from the letter that Jourdon hates his old master is:
" have often felt uneasy about you. I thought the Yankees would have hung you long before this, for harboring Rebs they found at your house. I suppose they never heard about your going to Colonel Martin's to kill the Union soldier that was left by his company in their stable"
"Mandy says she would be afraid to go back without some proof that you were disposed to treat us justly and kindly; and we have concluded to test your sincerity by asking you to send us our wages for the time we served you. This will make us forget and forgive old scores, and rely on your justice and friendship in the future."
Learn more about primary purpose:
https://brainly.com/question/15632673
#SPJ1