Jefferson replaced Johnston with Hood because he became impatient with Johnston's strategies and Hood was more aggressive.
If your personifying the object, I would mention how lonely it was whatever the object was because it never got used and if it did it was rare. I said it was dark and that the object was used to the dark so when it saw light it was very happy because it was so rare.
Answer:
1. What challenged Estania was speaking English. She was very shy, and wasn't making any new friends. She wouldn't answer questions in class, and she was being made fun of.
2. Something that is challenging about reading for me is being dyslexic. It makes learning and reading new words difficult for me. (if you aren't dyslexic, then you could say something like the pronunciation of new words is confusing for you when you are reading aloud)