What does black blm mean?

Black blm: BlackLivesMatter (abbreviation: BLM), meaning "Black Lives Matter" or "Black Lives Matter", and "Black Lives Matter", also known as "Black Lives Matter" "Expensive" is an international rights movement that originated in the African-American community to protest violence and systemic discrimination against black people.

This movement began in 2013. In February 2012, African-American young man Trayvon Martin was shot and killed. The following year, George Zimmerman, a community self-defense patrolman of mixed European, Latin, and African descent who fired the gun, was acquitted, and the topic BlackLivesMatter was launched on social networks.