Why did the regulators form in the up country and not in the low country?

A. The low country had sheriff's and established courts to deal with outlaws
B. The up country did not trust the sheriff's and courts established by the low country
C. The up country lacked transportation to the courts, so the regulators were a convenience
D. The low country did not have as many outlaws as the up country and did not need the regulators

B. The up country did not trust the sheriff's and courts established by the low country