What is the function of the police mentioned in Article 139 of the State Constitution of São Paulo? I - To maintain public order. II - To preserve...

What is the function of the police mentioned in Article 139 of the State Constitution of São Paulo?

I - To maintain public order.
II - To preserve the integrity of people and property.
III - To investigate crimes and enforce the law.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I, II and III are correct.