The answer is B. A Campaign Waged In Chile By Jose de San Martin
Gen. José de San Martín, an Argentinian statesman and national hero who helped free some countries from the Spanish rule in the early 1800s.
San Martín intended to ensure Argentina’s independence by destroying the remaining Spanish power in South America, to reach his purpose he helped achieve Peru's independence as well.
After his army had been defeated in Upper Peru (now Bolivia), San Martín determined to surround the Spaniards by liberating Chile and using it as a base for a seaborne attack on Peru. The campaign waged in Chile was successful, gaining Chile's independence in 1818, which allow the Argentinian leader to occupy the Peruvian port of Pisco in September 1820. When the Spanish government withdrew his forces into the interior of Peru, San Martín entered Lima and after several battles, the country's independence was declared on July 28, 1821.
However, after that, several battles had to be fought to ensure independence. In those battles, Simón Bolívar, another South American hero, was a key element that helped free the country completely.
The correct answer to this open question is the following.
What helped Peru win its freedom was the independence movement in Argentina organized by liberator José de San Martín. This Argentine General helped not only Argentine to get the independence of his country, but also the independence of Perú and Chile.
José de San Martín (1778-1850) was the Argentine governor that led the independence movement against the monarchy of Spain. He arrived in Argentina in 1812- In January 1814 he marched through the Andes Mountains to free Chile, and then he convinced Chileans and Argentines of the benefits to free Perú.
For his courageous actions, he is known as the Liberator of Latin America.
