Complex sentence: While in high school Ferrel joined the Chicano movement by founding a chapter of the Brown Berets, helped start a community periodical called, "La Fuerza", and was a counselor for young men who faced the draft during the Vietnam War.
Split into simpler sentences: While in high school Ferrel joined the Chicano movement by founding a chapter of the Brown Berets. He also helped start a community periodical called "La Fuerza" and was a counselor for young men who faced the draft during the Vietnam War.