A system of checks and balances was included in the United States Constitution because the authors were concerned 1-the military gains control of the United States
2-states have too much power
3-a branch of government becomes too strong
4-the people have a voice in government

Correct answer is 3-a branch of government becomes too strong .

Explanation:

Influenced by Montesquieu's ideas the framers of Constitution wanted to create political bodies that will divide power between themselves.

Therefore option 1 is correct.

Option 1 is not correct as military had no connection with this part.

Option 2 was resolved within division of state power in Senate and Congress.

Option 4 also is not correct as in democracy people have the right to change governments.

- "it was a failure that was an embarrassment for the kennedy administration."

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because mexico wanted to choose a centralized location