Choose your reply from the options at the end. Does "In practice, this has been interpreted as meaning that the executive branch is free to negotiate and sign a treaty, but its ratification by the president is contingent upon the prior approval of Congress." contain the correct answer to "In order for a treaty to be valid in Brazil, a presidential decree incorporating the treaty into domestic law must be published where in order to be valid?"
Possible answers:
(i) yes.
(ii) no.
(ii)