The police brutality, which was later widely regarded to be known as the Bloody Sunday, was a result of the protestors conducting a march in Selma, Alabama.
Which events resulted in Bloody Sunday?
Bloody Sunday happened in the month of January in 1972, where unarmed civilians, 26 to be precise, were shot dead by the British police and soldiers while they were protesting a march.
The civil protest during this event was held against the Civil Rights' Movements, which were under great influence during this period. This event is also regarded as the Bogside Massacre.
Hence, option D; protestors marching in Selma, Alabama resulted in the brutality by the police that is regarded as the Bloody Sunday.
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