What was the first phase of the history of oil exploration in Brazil? I - From 1858 to 1938, with explorations under the free enterprise regime. I...

What was the first phase of the history of oil exploration in Brazil?

I - From 1858 to 1938, with explorations under the free enterprise regime.
II - From 1938 to 1953, with the nationalization of the wealth of our subsoil and the creation of the National Petroleum Council.
III - From 1953 to 1987, with the establishment of the state monopoly and the creation of Petrobras.
IV - From 1987 to the present day, with the flexibilization of the monopoly and the creation of the National Petroleum Agency.
a) I and II are correct.
b) II and III are correct.
c) III and IV are correct.
d) I and IV are correct.