Does the system of checks and balances provide us with an effective and efficient government?

Yes checks and balances make for a fair and efficient government ensuring no branch oversteps the bounds of their authority. Even if checks and balances did make the government slower which they do not,it would be better to be slow and thorough than fast and careless with a country on the line.

Explanation:

Hope you have a great day ;-)

a stronger central government  

its what they are