Universities grew up around cathedrals and courses of study helped educate clergy.
in which religion there are strict regulations and are must to be followed
This is true. Many kings would plan and carry out invasions to gain goods, land and other loot and to expand their rule because many of them worried that another power would get too strong and take over their kingdom, and every king wanted to avoid that because they had become very fond of being king.
Germany had to pay reparations and take responsibility for WWI
The correct answer is D. Factories mass produced goods, which created surpluses that government could not control.
Hope this helps:)