What was the name of the institution established by the Spanish crown in 1571 to root out heresy, which operated until 1820 and prosecuted indigenous people, conversos and political dissenters?

• A Council of the Indies
• B House of Trade
• C Holy Office of the Inquisition ✓
• D Royal Audiencia

The tribunal was established in 1571 as an extension of the Spanish Inquisition, holding its first auto-da-fe in 1574 in Mexico City's main plaza.