What does the phrase “checks and balances and separation of powers” mean

The Constitution divided the Government into three branches: legislative, executive, and judicial. ... Just like the phrase sounds, the point of checks and balances was to make sure no one branch would be able to control too much power, and it created a separation of powers.

Explanation:

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

1. darius the great     persia  

2. piankhi       nubia

3. ezana       aksum

4.     nebuchadnezzar     babylonia

5. shalmaneser iii     assyria