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...
<u>━━━━━━━━━━━━━━━━━━━━</u>
Generally speaking, a civilization whose impact can be felt on history for a very long time can be called a "lasting civilization", since the things they put into effect have "lasted" throughout the years.
The Invasion of Mexico, was an armed conflict between the United States of America and the United Mexican States
Answer:
They were all settled by groups escaping religious persecution in Massachusetts
Explanation: