The answer is Puerto Rican
Answer:
Mexico declared their independence
Explanation:
All of them look good! I do not think you will have to change anything.
Answer:
Voy a comprar comida
Explanation:
Compro is used incorrectly, it would be used in sentences that start with "yo"
there is no A in the 3rd sentence, which roughly translates it to "Will buy food." In Spanish, it's used as slang.
Therefore the second one is right.