The rebel began in Guatemala after Colonel Carlos Castillo Armas became the country president. He succeeded in becoming president after overthrowing president Jacobo Arbenz with the aid of the United States who fund the coup. As a president, Armas took poor Guatemalans of their land and rights to vote. In the 1960s, Guatemalans had reached their limit and rose up as fighters against the government which continued for decades.
He did not want the taxes to be higher, he wanted the Clergy and the Nobility to also pay taxes so that not only the bourgeoisie had to pay all the taxes (since these were the poorest people).