Generally speaking, the act of directing, ordering, or controlling by virtue of explicit statutory, regulatory, or delegated authority at the field level is referred to as "command," although the exact title can differ.
Answer:
I think it's b) Central and c) Federalism
Explanation:
I read a article about it
1 - C
2 - F
3 - D
4 - E
5 - B
6 - A
