Brazil has a presidential system. Which of the following describes what this means?
a. Brazil has a queen who is born into power.
b. Brazil has a president who is elected to office.
c. Brazil has a government with no central ruler.
d. Brazil has a dictator who takes power by force.
The best option from the list would be that "b. Brazil has a president who is elected to office," although it should be noted that there remains some political corruption in Brazil when it comes to these elections.