They are important because without them there would be chaos. Checks and balances is basically checking on the others. The separation is for the three branches(Executive, Legislative, Judiciary) , each have the power to do their own duty; so there would not be just ONE person who takes over.
Explanation:
your answer is option A .
Who is your thinker? We can’t do it if you don’t give us enough information. Plus I’m not writing 4 paragraphs for you
