It would lead to the conclusion that ethnic and religious tensions are key catalysts of political conflicts.
Rwanda ethnic tensions that had roots in the per-colonial era culminated in the genocide that was witnessed in the 1990's while the Kashmir conflict can be dated back to the religious difference of the people living in the area.
<span />
The Arab empire converted and unified pagan societies to Islam
It was his painting of the Baptism of christ i believe where he painted the kneeling angel and worked on some of its background.
The industrial revolution. Reason: Industrialisation created a huge demand for raw materials and led to the colonisation of Africa and Asia for these resources. Industrialisation and technological progress boosted European and American confidence, and national pride. They became convinced that they were superior.