So it's a really, really big deal and we'll go over kind of its major effects towards the end of the video. But in terms of context, the 15th century, the end of the 1400s, the beginning of the 1500s, the Catholic Church is the dominant player and it's extravagantly in power. Is that a word, extravagantly in power? But it's humongously in power. Is that a word, humongously in power? It has a lock on power. It is the most powerful political institution, religious institution, financial institution in the whole wide world.