Answer:
Historical heroes like Dr. José Protasio Rizal Mercado y Alonso Realonda(Jose Rizal) sacrifice themselves so we have a great country. They are not selfish they didn't think about their self they just did what they think is right that's why we have a subject called Araling Panlipunan (AP).So in that way we know how they sacrifice,that's why we salute them.
(SORRY FOR WRONG GRAMMAR)
Explanation:
Hope it helps:))
