What impact did san martín have on latin american independence movements?.

San Martín had an immense impact on the independence of multiple Latin American nations and is counted along the founding fathers of Argentina and had also led the liberations of Chile and Peru. He was the highest-ranking Spanish official to defect to the patriot side in Latin America, he quickly rose up among the rebellions ranks and was head of all of the armed forces in Buenos Aires.

Primary sources are usually  more accurate and are written by someone who experienced it or witnessed it. secondary sources are those who heard of it after the fact that can lose details and or twist the event in a light that benefits them.