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 !!
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They relied on help from volunteers to serve in the army
Answer:
anserw would go as followed
1.B
2.A
3.C
The fall of Constantinople is the conquest in which the sultan mehmed of the ottoman empire defeated the Constantinople.
<u>Explanation:</u>
The dwindling by zantine empire came to an end when the ottomans breached the Constantinople ancient land. The capture of the Constantinople is very important for the ottomans Turks in 1453.
It is also ended by the defeat of eastern roman empire. In the later medival period the conquest of the Constantinople and the end of the byzantine empire was the important event occurred in their ages. The fall of Constantinople affects the European trade.
Answer:
the last one
Explanation:
He was the leader of the Aztecs when Cortes, the Spanish Conquistador arrived. The Aztecs were eventually defeated by Cortes