Answer :
I believe the answer is A. The president (executive branch) can not only add judges but also remove them if they are proved unworthy. B would only be correct if it didn't say the words "will do what they want"
The system of checks and balances of the federal government was installed in order to prevent an imbalance of power between the 3 branches of the government.
The Judicial Branch, which is composed of the US Supreme Court of Justice, has the power to interpret laws and make decisions regarding high profile legal cases. However, the Executive branch has the power to nominate the professionals who will serve as judges at the Supreme Court, Court of Appeals and District Courts.