Answer:
They all send information
Explanation:
Because well, with letters ur typing iformation, texting same thing, talk your speaking info, and yeah.
Political machines created cycles that turned, like gears.
C. because if you petition government officials
One way they did it was by enslaving people. Those who committed crimes or were enemies from wars were enslaved and had to work and build things like buildings or holy temples or palaces for the king or similar things. This would be their punishment for stepping out of line and nobody wanted to step out of line.
I think T'ai-tsu is the person who made Changan his dynasty's capital
