Civil Service Commission<span> was a government agency of the federal government of the United States and was created to select employees of federal government on merit rather than relationships.</span>
Congress cannot set political conditions on states.
The fact that the government is divided into three branches is known as the "division of power" - the power is distributed to avoid power abuse, so that no instance has unlimited power.
The fact that the three branches are overlapping is known as "checks and balances" - the branches check the other ones (whether their function is lawful) and balance each other.
