Changes

==Background==

==Background==

Guerra was born in Laredo to Jose Margarito Guerra (1904–2001) and the former Josefina Valls (1913–1998). He attended [[Roman Catholic]] elementary schools and graduated in 1953 from|Martin High Schoo]. In 1957, he graduated from[St. Mary's University in [[San Antonio]], with a [[Bachelor of Science]] degree in [[chemistry]] and a minor in business.<ref name=bonilla/> He then joined the family enterprises, Laredo Motor Mart and Laredo Auto Parts. In 1972, Guerra opened a longstanding [[Exxon]] station (replaced by a convenience store in 2001) at the busy intersection of San Dario, the Interstate 35 service road, and Del Mar Boulevard. Thereafter, he began a second self-service station at the intersection of Guadalupe and Meadow in The Heights section of Laredo which he still managed at the time of his death.<ref name=obit/>

Guerra was born in Laredo to Jose Margarito Guerra (1904–2001) and the former Josefina Valls (1913–1998). He attended [[Roman Catholic]] elementary schools and graduated in 1953 from|Martin High Schoo]. In 1957, he graduated from[St. Mary's University in [[San Antonio]], with a Bachelor of Science]degree in [[chemistry]] and a minor in business.<ref name=bonilla/> He then joined the family enterprises, Laredo Motor Mart and Laredo Auto Parts. In 1972, Guerra opened a longstanding [[Exxon]] station (replaced by a convenience store in 2001) at the busy intersection of San Dario, the Interstate 35 service road, and Del Mar Boulevard. Thereafter, he began a second self-service station at the intersection of Guadalupe and Meadow in The Heights section of Laredo which he still managed at the time of his death.<ref name=obit/>

==Political career==

==Political career==