1. Uncle Sam wears red, blue and white clothes. It's the same with the America's flag. So, Uncle Sam stand for America.
2. American flag stand for America.
3. Liverty Bell stand for freedom.
4. Statue of Liverty stand for freedom, too.
5. Baid eagle stand for America.

Mary: It's same American's flag.
Correct: It's the same with the America's flag.
Explanation: When we are talking about one thing in particular, we use "the" so that's the reason why I put the before the word same and before the word America.

Mary: Stand
Correct: stands
Explanation: You use in your sentence the word stand as singular. Remember that Singular noun takes plural verb. That's why it should be stands for.

Mary: Baid
Correct: Bald
Explanation: Please be careful of your spelling.

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Hello Mary ^^

Good Job for doing your homework. Please take note of my corrections. Let's see each other on  Thursday :) Have a great night.

Love,

Teacher Mary <3