study the picture before answering 1-4 only plssss I will brainly the one tahts good if it's nonsense spaming report⚠️

Answer:
1: People's who is happy about something that's happening that day, and also one person who is waving a flag.
2. It reminds me of Philippines declaration of independence.
3. To remind the people on what happened before and that you need to know it.
4. Because this was a part of our History. This is the day that the Philippines become independent.