Which of the following is$/$are characteristic$($s$)$ of constitutional law?

Select one:

a$.$

Its primary purpose is to settle private disputes.

b$.$

It is easier to amend than ordinary law.

c$.$

It overrules ordinary law if there is a conflict between constitutional law and a rule of ordinary law.

d$.$

$($b$)$ and $($c$)$ are both characteristics of constitutional law.

e$.$

None of the above is characteristic of constitutional law.