What is a “ring”? in reconstruction

In the late 1860s and early 1870s, liberal Republicans in Missouri formed what became known as the Whiskey Ring. They bribed government officials and record keepers to underreport the amount of whiskey made at every level of production, allowing them to avoid exorbitantly high whiskey taxes.

Explanation:

answer; i believe the correct answer is (the willamete valley);

yes they have. but is this a true false question? if it is, the answer is true.