"black lives matter" (phrase), LoC 350
Black Lives Matter (movement), LoC 180
compare with "Afrocentrism (racism) 180" in Truth vs. Falsehood, 2005.

"all lives matter" (phrase), LoC 545
All Lives Matter (movement), LoC 245
compare with Doc's calibration of "Evangelical Right (Moral Majority) 245-255" in TvF. It seems to be a function of courage to meet in the streets with protesters, to draw a line and literally stand for truth.