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:
What activity’s do you mean.
If your saying like how they get to the moon from earth.
Answer:
definiton 1:
make or enact laws
definition 2:cover, affect, or create by making or enacting laws