The above system of United States Constitution is showing three organs of the state i.e Legislative branch, Executive branch and the Judicial branch.
And below each division, their works are given. Aswecan were that, each of the organ is at same height which shows that they are practicing equal powers and they don't interrupt in each others work.
They practice the system of <u>Checks</u><u> </u><u>and</u><u> </u><u>Balances</u> to ensure that none of the organ is enjoying and grabbing too much.
So, the most appropriate option is:

Checks and balances system.
And, we are done !!
#CarryOnLearning...
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Both were a series of articles written under fake names to protect the writers. The viewpoint of the group, such as the federalists, who wanted a strong national government, and the antifederalists who were afraid of an imbalance of power, were presented and argued back and forth. People reading these publications had access to information that they would not have had otherwise, and therefore were influenced by the opinions of these two groups.
Woodrow Wilson has been the only president with a doctorate degree
the People's Republic of China<span>
hope this helps!!</span>
The vizier served the pharaoh during the kingdoms