Police battle left-wing demonstrators, villagers. and labor unions who oppose the expansion of the US runway at Tachikaw

The transcript describes a situation at the Tachikawa U.S. Air Force base near Tokyo, where the Japanese government is surveying for runway expansion to accommodate new jet atom bomb carriers. Villagers from Tsunakawa protest the survey, allegedly incited by left-wing leaders from Tokyo. A clash ensues between 2,000 police and demonstrators, with no weapons used. The area is off-limits to U.S. personnel, and after five and a half hours, the police control the situation. Nearly 80 people are injured in what is described as an anti-American outbreak.

What new insight or understanding did you gain from this video?