What was a significant difference in the hiring practices of Presidents Adams and Jefferson and that of President Jackson? (select all that apply) A. All three presidents were equally focused on creating a robust and efficient civil service network.

B. President Jackson was focused on creating a new and efficient civil service of highly skilled workers.

C. President Adams considered the skill and ability of an appointee to serve in government in addition to his politics.

D. President Jackson appointed many of those who were political supporters regardless of qualifications.