Which best describes the global effect of the shootings in sharpeville in south africa?

They brought the injustice of apartheid to the attention of the world

"The bringing of the injustice of apartheid to the attention of the world" best describes the global effect of the shootings in Sharpeville in South Africa.

To add, the Sharpeville massacre was an event which occurred on 21 March 1960, at the police station in the South African township of Sharpeville in Transvaal (today part of Gauteng).