Concept:Mary I of England earned the nickname "Bloody Mary" due to her harsh religious policies.
Explanation:Mary was a devout Catholic.
She sought to restore Catholicism in England after her father, Henry VIII, had broken with the Roman Catholic Church.
During her reign (1553–1558), she reversed Protestant reforms and reinstated Catholic doctrines.
To enforce this, she persecuted Protestants who refused to convert.
Many Protestants were burned at the stake as heretics, leading to widespread fear and resentment.
The number of executions, around 300, gave her the reputation for cruelty.
This persecution was the primary reason for her being called "Bloody Mary."
Answer:She persecuted Protestants. (Option B)