Final answer:
During the Spanish Inquisition, people were tortured to force them to confess to heresy, as a measure to reinforce Catholic orthodoxy and eliminate non-Catholic beliefs.
Step-by-step explanation:
People were tortured during the Spanish Inquisition primarily to get them to confess to heresy. This religious inquisition was focused on ensuring the purity of Catholicism by identifying and punishing those accused of heretical beliefs and practices. In those times, suspected heretics were often subjected to torture as a means to extract confessions or recantations of non-Catholic (often Protestant) beliefs. It was part of a larger effort to maintain religious homogeneity in Western Europe. Contrary to the proposed option B, the Inquisition aimed not to convert people to Protestantism but to reinforce Catholic orthodoxy and discourage any deviations from it.