11 votes How the Kent State massacre marked the start of America's polarization Posted May 4, 2020 by EightRoundsRapid Tags: usa, politics, vietnam war, national guard, polarization, protests, 1970s, kent state shootings, deaths, author.chris mcgreal, source.the guardian https://www.theguardian.com/us-news/2020/may/04/kent-state-massacre-marked-start-of-americas-polarization Link information This data is scraped automatically and may be incorrect. Authors Chris McGreal Published May 4 2020 Word count 1860 words