What sound device in used in this excerpt

How are key ideas refined with clear and concise language in the selection “what are our demands? ” what purpose does this selection serve?

Which of the fallowing is true about plays

When i was four years old, my dad and i a tree in our front yard. it was a tiny, fragile sapling. he promised me that it would grow tall and strong, but he said that i had to be patient. until i turned 18 years old, dad and i it every year on my birthday. choose the words that correctly fill in the blanks.