Original sentence: In 1948 Chavez married Fabela.In 1973, the United Farm Workers set up a "wet line" to prevent Mexican immigrants from entering the United States
Edited sentence: During his tenure as president of the UFW, Dolores Huerta, the co-founder of the union, worked hard so that the amnesty provisions in the 1986 federal immigration bill...In 1948 Chavez married  Fabela.In 1973, the United Farm Workers set up a "wet line" to prevent Mexican immigrants from entering the United States to break strikes.There were a number of anti-strikebreaking events which some anti-immigration activists use as evidence of Chávez's work against illegal immigrant.These are described below: