Bernardo O'Higgins Became the First Supreme Dictator of Chile After

Bernardo O'Higgins became the first supreme dictator of Chile after ​

A) ​overthrowing the Portuguese with the aid of Giuseppi Garabaldi
B) ​routing the Spanish at the Battle of Chihuahua with support of Tupac Amaru.
C) ​San Martin leading forces through Peru and surprising the Spanish at the Battle of Chacabuco
D) ​Irish nationalist forces were forced into exile by the British, and sought to displace Britain economically in Latin America
E) ​none of these.