Ernesto “Che” Guevara Che Guevara was the Argentine born Marxist guerrilla who helped oust the corrupt Cuban government and set up a communist system 90 miles from the US. Che under the leadership of Fidel Castro helped lead a small guerrilla band of soldiers to take over the country. After the old government was out Che helped Castro decide communism as the way to go for Cuba. He helped Castro try to quickly industrialize the country, set up social reforms to try, and make Cuba a better place for its citizens. Che supported th ....