The answer to this question is A. Jet streams
Jet streams are located near the altitude of the upper troposphere. It's a movement of wind that travels from one side of the planet hemisphere to another. The movement of jet streams will bring up different temperature of air which could influence the weather that exist in certain regions.
I know that it is either the political system or their religious beliefs, but i am not entirely certain.
Answer:
It Might Help you
Explanation:
The Shang had a number of religious practices, one of which was veneration of dead ancestors; Shang people made sacrifices to and asked questions of their ancestors.
Ancient Chinese nobles sought to tell the future by writing on bone fragments or pieces of turtle shell and throwing those bones into a fire; the fortune seekers saw messages about the future in the cracks that formed.
Shang dynasty craftspeople mastered bronze, an alloy of copper and tin; bronze weapons gave Shang foot soldiers and charioteers a tactical advantage in combat.
Answer:
they may be invented by teachers :)