The Articles of Confederation created a national governing system that placed most power in the hands of the states. ... But they overdid it, leaving a central government that could not.
Explanation:
My explanation is: But they overdid it, leaving a central government that could not fund itself, resolve disputes between its component states, or defend the country.
One of the rights of congress is the right to impeach the president if they think he is to tyrannical. Checks and balances itself though is an example of separation of powers