Answer:
The president is the "boss" for millions of government workers in the Executive Branch. He or she decides how the laws of the United States are to be enforced and chooses officials and advisors to help run the Executive Branch.
Explanation:
B - the Church rejected them as heresy.
The works of Greek thinkers were not in line with the dogma of the Church. For that reason they rejected what the Greek thinkers of their time did and called every work which they did heresy not to be read.
C. Johannes Gutenberg borrowed money to create the printing press.