WORLD HISTORY

Detailed explanation-1: -Less than four weeks later, on January 3, 1521, the pope formally declared Luther a heretic.

Detailed explanation-2: -Antireligion is opposition to religion. It involves opposition to organized religion, religious practices or religious institutions. The term antireligion has also been used to describe opposition to specific forms of supernatural worship or practice, whether organized or not.

Detailed explanation-3: -A heresy is a belief that deviates from some standard, official belief. When religious authorities decide that a belief is heretical, they usually take active efforts to eradicate the belief, usually including the removal of the offending believers (by excommunication or worse).