Dennis: my favorite place
Correct: My Favorite Place
Explanation: When you're writing the title of your sentences the first letter of the word should be capitalize.

Dennis: because, Ahn independence army commander
Correct: because, Ahn is one of the independence army commander.
Explanation: Kindly, know how to use the Subject Verb Agreement (am, is are).

Dennis: because they can see the statue.
Correct: They can see the statue.
Explanation: That's fine not to use "because" for that sentence, since you're not reasoning out. You're describing something on that.

Hello Dennis! Very good! You always do you homework. Keep it up. Be confident to express yourself it will help you a lot. Always be motivated and inspired to learn. Good job!

Lots of love,
Teacher Belle :)