Answer:
Option C. The act that prohibited the president from removing federal officials previously approved by the Senate was the Tenure of Office Act.
Explanation:
On March 2nd, 1867 Congress passed the law that stated that under the Tenure of Office Act, the President was prohibited from removing officials appointed by and with the advice of the Senate. This was done to use as the legal basis for the impeachment case against President Andrew Johnson that was going to occurs the following year, 1868.
