2. What form of mob violence was done in Great Britain against tax collectors, but never actually done here in America?

Tar and feather  

Explanation:

Tarred and feathered was Medieval custom of brutality that became popular in the 18th century when a mob in Great Britain indulged in violence especially, against tax authorities. Tarring and feathering go back to the period of King Richard of England. The tarring and feathering punishment often handed down by furious mobs where they humiliate tax collectors by paraded and dragged them through the streets.