There are no choices here but the reason why it is the duty
of the state government to protect public health is because it starts at the
grass-roots level where municipalities as well as city and state officials are
the ones responsible for directly monitoring and implementing preventive
measures to stop the spread of diseases.
This question is a little ambiguous as it doesn't give reference to what 'favourable' is but I've attached a diagram that depicts the different types of climate in Brazil to help.
(This is more of a geography question than history)
