What are the four backgrounds of the people power movement in the Philippines?

What are the four backgrounds of the people power movement in the Philippines?

Here are four backgrounds of the people power movement in the Philippines

1. There are indications of fraud in the 1986 election conducted by Ferdinand Marcos.
2. The murder of former senator Benigno Aquino jr. on August 21, 1983
3. The debt of the Philippines reached 25 billion US dollars in 1983.
4. The regime of Ferdinand Marcos was led in a dictatorial manner and often carried out repressive actions against activists and opposition groups.