They are called typologies.
Answer:
well-structured problem is the answer.
Explanation:
What questions do you want answered?
I am pretty sure it is A or C.
Answer:
Because when they were passing goods from India to Egypt the prices were raised. Ghengis khan and his mongol armies rose to power at the end of the twelfth century, at the moment wgen few opposinf rulers could put up much resistance to them. The vast mongol empire he created stretched from China to Europe, across which the silks routes functioned as efficient lines of communication as well as trade.
Explanation: