The United States government functions under the principle of checks and balances. This means that each branch of government has a power that keeps the other branches from becoming too controlling. The branches are separate but equal.
Hope this helps!!
An advancement in the field of learning that took place during the Han Dynasty:
the writing of Historical Records by Sima Qian
Sima Qian created the Grand Scribe’s Records which is still used by modern historians.
