Complex sentence: As councilman, he became a figure of great importance, particularly on issues facing the local Latino community, mostly famously opposing the land swap that allowed for Dodger Stadium to be built in the largely Mexican-American community of Chavez Ravine.
Split into simpler sentences: As councilman, he became a figure of great importance, particularly on issues facing the local Latino community. Mostly famously, he opposed the land swap that allowed for Dodger Stadium to be built in the largely Mexican-American community of Chavez Ravine.