Beacause of people being stupid
The answer is 12 I think, I do you mean 4x3?
The decision in Dred Scott v. Sandford i believe.
Answer:
d. to protect against radical shifts in government that result from swift changes in popular opinion
Explanation:
The senate serves to "mediate" and reach proper agreements based on well thought out and thorough proceedings from a handful representative of the people. It works to protect against swift, radical changes in government as it checks and balances other government loopholes that could push for radical changes that may be harmful to the system.
