I think the answer to this is letter B
Saint Frances and his following respected and venerated poverty.
This means that one the one hand, they did not discourage people to them by having unnecessary riches and on the other hand poor people could identify with him and with his followers.
Overall, scientific rationalism harmed European religion because educated European people began to question the beliefs of the Catholic Church rather than just accepting centuries-old ideals, undermining certain fundamental beliefs of the Church and slightly decreasing its reputation. In terms of politics, scientific rationalism began the inquiry into individual thought, causing many governmental policies to be seen as flawed and, later on, sparking revolutions.
They traded Silk, and received things like, wool, silver, gold and ivory.
Im not sure what the answer is to #1
