If one of the answers is machines then that is the answer
- Enlightenment!!
- Expenses of king and queen
- Cost of War
- Unfair taxation
- Growing contempt in 2nd & 3rd estates
Brunelleschi was the one who created this masterpiece.
One bad thing tha happened was that the Muslims views on Crusaders and Europeans as a people was drastically worsened. And it's obvious why this happened; they came to their lands and wanted to reclaim them despite not having any real and legitimate claim to these lands.