Humanism basically took out all religious values out of the picture. Science was less based upon religious studies of the church, such as how Galileo questioned Plato's idea of the earth being at the center of the universe. Doing this was basically questioning the church. And art became more of a capitalistic competition over who could create "the best" art.
If this is on Odysseyware The answers are They were not able to rest or reinforce.They were running out of supplies and food.Their defensive positions each time were poor.