Original sentence: Also called the Ten Years of Spring by supporters, that decade represented what was seen as the only years of representative democracy in Guatemala from 1930 until the end of the Guatemalan civil war in 1996, and included a program of agrarian reform that was enormously influential across Latin America
Edited sentence: Also known as the Ten Years of Spring, that decade represented the only years of representative democracy in Guatemala from 1930 until the end of the Guatemalan civil war in 1996, and included a program of agrarian reform that was enormously influential across Latin America